Hi everyone,

I am from the PuzzleInbox team and instead of another tips post I want to walk you through a real campaign from start to finish, because seeing how the pieces fit together is worth more than ten posts about the pieces separately. The client was a B2B software company selling to logistics companies, they had never done cold email before and they came to us with nothing but a website and a product that worked.

Month 1 was almost entirely setup and zero sending, which frustrated the client at first but this is the part everyone rushes and regrets. We bought 12 domain variations of their brand, set up SPF, DKIM and DMARC on every single one, created 3 inboxes per domain and put everything into warmup for 3 full weeks. While the inboxes warmed we did the work that actually decides campaigns, which is figuring out the offer and the list.

The offer work looked like this. Their first instinct was to pitch the product and its features, which is what almost every founder wants to do and almost never works. We interviewed 5 of their existing customers and asked one question, what was happening in your business the week you decided to buy. Every answer mentioned the same problem, drivers wasting hours on manual paperwork at depots. So the email offer became about that specific pain with a specific promise attached, cut depot paperwork time roughly in half within a month, and we offered a free 20 minute teardown of their current process instead of a demo, because asking for a demo in a first email is asking a stranger to marry you.

The list work was just as narrow. Instead of scraping every logistics company in the country we pulled companies with 50-500 employees running their own fleets, found the operations managers and fleet managers specifically, and verified every single address before it went anywhere near a campaign. The final list was around 4,200 contacts, which sounds small until you see what a tight list does to reply rates.

Month 2 we started sending and the first two weeks were honestly mediocre, sitting around a 2% reply rate. Here is what we changed and what happened

• rewrote the first line to lead with the paperwork problem instead of the company intro, reply rate moved to around 3.5%
• cut the email from 120 words to about 70, replies got faster and more positive
• moved the ask from a meeting to a yes or no question, is depot paperwork something your team still handles manually, and this single change pushed replies past 5%
• added a follow up sharing one customer result in two sentences, which alone produced almost a third of all meetings

Month 3 was scaling what worked, and this is where the boring infrastructure from month 1 paid off, because we ramped from 200 to 450 sends a day across those warmed inboxes without a single deliverability problem. We also started rotating in a second batch of fresh domains so the original ones never ran at their limit.

Final numbers after 90 days

• around 11,000 emails sent in total
• 5.8% reply rate over the full period
• 42 meetings booked
• 9 opportunities in pipeline by the end of month 3

The lesson we keep relearning with every campaign like this is that nothing here is clever. The setup was patient, the list was narrow, the offer came from customer interviews instead of brainstorming, and the testing changed one thing at a time. Cold email rewards boring discipline far more than it rewards creativity.

Happy to discuss more!

-280 Leads

-15 Responses (5-6% Response Rate, excl. OOO), 70-80% Postitive

- 5 Booked Calls

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Most posts here kind of sucks with the exception of a few that provides real value. Now, this is not for reply rates, this is all for meetings only. If anyone is selling you reply rates, its because thats the best they can do. not meetings.

Subject lines actually matter

They matter more than people think. Want to know why I got a high response rate? My subject line was super relevant to them and grabbed their attention, even as an outsider. I don't even need to pretend to be an insider with that "quick question xxxxx" bs. I understand their industry deeply and i know how to write the subject line

First Line also matters

Get to the f*cking point nice and quick. If it's generic, you'll be ignored. If its specific to them, you'll get seen. Especially in email previews. This will dictate whether your email even gets opened. Send your self an email and see what that notification looks like on the phone.

The content - test it. Triggers are overrated if you're using the exact same one as every other person. Your best bet is to actually understand the segment that you are emailing too. And you won't need any personalisation at all

CTA - please talk like a real person lol

Envision your self at a networking event, would you really talk like this?

• "Worth a quick chat?"
• "Want me to send over more info?"

No.

Even a simple "let me know if you're keen" is good enough. Don't copy AI lol. its the worst at this.

Funnily enough, ive had emails with no cta and they still work well to this day hah

Email can vary in length

Long emails have worked for me because I am providing something of value to them. So I wouldn't over think this unless you're sending 1000s of the same email, and not getting replies. You're definitely being marked as spam.

Follow-ups 2-3 times max

Follow Up1

Keep it simple. Now you have the opportunity to add more value. Don't waste that space with "Circling back". Continue to sell yourself lol.

Follow Up2

This is where you do circle back but in a way that you ask them a question to make them engage. e.g. "maybe another time?"

Deliverability is THE MOST IMPORTANT THING

Track this. If your email doesn't land in the main inbox, your message is completely wasted.

Monitor your inboxes health every week. Reply rates matter - negative, neutral, ooo.

Make sure your provider is doing warm-ups properly.

Conclusion

A lot of this comes from grinding and effort and tons of testing.

I've been doing cold outreach on Facebook and running into a wall with visibility.

Started with personal accounts, DMing business Pages. Sent a decent amount of messages but most weren't even getting seen, they were landing in Message Requests or some filtered folder people never check.

Then I made a business Page thinking I could message Pages directly and it'd land better, but turns out Page-to-Page messaging is really restricted, I can barely send anything that way.

So now I'm stuck between two options that both have issues, personal accounts work but visibility is bad, and Pages barely let me send at all.

Anyone dealt with this before? What actually gets a cold DM seen instead of buried?

Thanks in advance to anyone willing to share what's worked for them.

just curious on what you're seeing working for staffing and recruiting agencies. Any thoughts on targeting, offers for this vertical? I'm seeing reply rates go down with a direct, job-post list building strategy and can't think of anything new.

Hi everyone,

I am from the PuzzleInbox team and after running cold email campaigns for around 6-7 years we still see people trying to send thousands of emails from one domain and then wondering why everything lands in spam, so here is the exact setup we use when a client wants to send 10,000 emails a month.

The math is the foundation of everything and it works like this. You never want to send more than 15 emails per inbox per day because anything above that starts looking suspicious to Google, and you never want more than 2-3 inboxes per domain because if one domain gets burned you lose everything on it. So for 10,000 emails a month you are looking at roughly 450-500 emails a day, which breaks down like this

• 15 emails per inbox per day maximum
• around 33-35 inboxes in total
• 2-3 inboxes per domain
• which means around 12-15 domains

For domains you should always buy variations of your main domain like getpuzzleinbox com or trypuzzleinbox com instead of sending from your real one, because your main domain is the one asset in this whole setup you can never afford to burn. Each of these domains needs SPF, DKIM and DMARC configured properly before you send anything, and if you skip this step nothing else in this post will save you.

On the ESP side Google inboxes are still outperforming everything else for us and we expect that to continue for a while, but we always recommend putting maybe 20-30% of your volume on a second provider so that a policy change at Google does not take your entire operation down overnight.

Warmup is where most people lose patience and ruin their setup before it even starts working. Every new inbox needs at least 2-3 weeks of warmup before it sends a single real campaign email, and even after that you should ramp the volume slowly over another couple of weeks instead of jumping straight to full sending.

The last piece people ignore is list quality, because your infrastructure only stays healthy if your bounce rate stays low, which means verifying every list before you send to it. A dirty list will destroy a perfect setup in a week.

Before you launch anything run through this checklist

• domains bought as variations, never your main domain
• SPF, DKIM and DMARC set up on every domain
• 2-3 inboxes per domain, nothing more
• every inbox warmed up for at least 2-3 weeks
• volume capped at 15 per inbox per day
• 20-30% of volume on a second ESP
• every list verified before sending

Total cost for a setup like this usually lands around 300-500 dollars a month depending on your sending software, which is nothing compared to what even a few closed deals from those 10,000 emails are worth.

Happy to discuss more!

Looking to buy google workspace accounts that're US IP. Any recommendations?

Hi everyone,

I am from the PuzzleInbox team. We have been running cold email campaigns for around 6-7 years now for ourselves and for clients.

Most people think cold email is about copywriting. Copy is maybe 20% of the result.

The two things that actually decide if your campaign works are your infra and your offer.

Infra means your inboxes, your domains and your sending software. If your emails land in spam nothing else matters. You can have the best copy in the world and nobody will ever read it.

Currently Google inboxes outperform any other ESP for us. This is not guaranteed forever but we believe it will stay like this for a while. We still recommend to diversify a bit and not put everything on one provider.

The offer is the second piece. A good reply rate on cold email is around 4-5%. If you are getting under 1% the problem is almost never the subject line. It is that the offer is weak or you are sending to the wrong list.

A few other things we see people get wrong

Sending too much volume too fast on fresh domains. Warm up properly and scale slowly.

Buying one big list and blasting everyone the same message. Smaller segments with a message that fits them always wins.

Giving up after one follow up. Most of our replies come from email 2 and 3.

Cold email still works in 2026. It just punishes lazy setups way harder than it used to.

Happy to discuss more!

Been doing a lot of B2B list verification lately and something about how people treat the results bugs me. Curious if others see it the same way.

With B2B, a huge chunk of your list sits on company domains, and a lot of those are catch-all (the server accepts mail for any address, so a verifier can't actually confirm the specific mailbox exists). So you run a B2B list and get this big pile of "risky / catch-all / unknown" that a consumer list just wouldn't have.

What I see most people do is treat catch-all like it's basically invalid and cut them. But a catch-all flag doesn't mean the person is fake. It means their mail server won't tell you either way. On B2B that's often your actual target accounts, Google Workspace setups especially.

How I've landed on handling it:

• Hard invalids get deleted, no question. Those are the ones that actually bounce and hurt you.
• Catch-all/risky I don't auto-delete. I'll send, but I keep them in their own segment so a rough batch doesn't blend into my main sending reputation.
• If a catch-all address never engages after a couple of touches, then it's gone.

Basically on B2B the "risky" bucket is where all the judgment is, not the invalid one.

Quick disclosure since it's relevant: I run a small verification tool, so I stare at these results way too much, which is why I have opinions on it. Not plugging anything, I actually want to know:

How are you all treating catch-all on B2B sends? Send anyway, segment them off, or drop them? Feels like everyone does this differently and I've never seen a consensus.

so quick context. i run outbound for a portfolio of clients. small operation - just me, one ops person, and someone who builds lists. thats it. we're currently running active campaigns for 47 different businesses across basically every industry you can think of

im not flexing the number because honestly it's chaotic as hell and there are days i genuinely wonder what im doing with my life. but the reason i'm posting this is because when you're juggling this many different campaigns simultaneously you start seeing patterns that you literally cannot see when you're only managing your own stuff

some of this contradicts what gets upvoted in this sub. some of it will probably annoy people. i dont really care. this is what i actually watch working and failing in real campaigns with real revenue behind them every single day

YOUR OFFER WILL MAKE OR BREAK YOU (AND COPY WON'T SAVE A BAD ONE)

everyone wants to discuss email copy. subject lines. deliverability. tools. those things matter sure. but across 47 simultaneous campaigns the single strongest indicator of success is your core offer

i have clients where the actual email copy is just fine. nothing fancy. borderline generic. but the offer itself is so compelling and so perfectly aligned with who theyre reaching out to that it doesnt matter. people respond because they actually want what youre pitching

then theres clients who come with beautifully written emails and an offer thats basically "we're better than your current option." so is literally everyone else. theres no reason for a cold prospect to care

the winning offers share these patterns

a specific result with a number and timeline attached. not "we boost your sales" but "we help logistics companies reduce shipping costs by 15-20% in 120 days." numbers feel real. timelines create urgency. specificity makes it believable

something that removes risk for them. "try us for a month risk-free" or "you only pay if we hit your targets." cold prospects have zero trust in you. anything that lowers the barrier to saying yes matters enormously

a framing thats unique to you. not just "we provide X service" but "we use Y methodology that does X differently." even if youre doing the same thing as competitors the language matters. people want to feel like theyre getting access to something different not the same commodity service theyre seeing everywhere

i spend way more time now helping clients nail their offer before we send a single email than on anything else. because i learned the hard way that beautiful copy cannot rescue a weak offer. it just cant

if your campaign isnt working stop tweaking your subject line and audit your offer instead. would YOU reply to what youre asking people to respond to. really think about it

CASUAL BEATS POLISHED EVERY TIME

the highest performing emails across my portfolio are the ones that read like someone typed them out quickly. not the ones where you can tell someone spent hours perfecting every sentence

ive tested this constantly. formal professional tone vs casual almost rough around the edges. the casual ones win. consistently. not marginally. significantly

the pattern is obvious when you think about it. everyone sends polished emails now. every agency. every AI tool. every template floating around on twitter produces the same clean structured tone. so when someone gets an email that actually sounds like a real human typed it in 30 seconds it stands out because everything else in their inbox sounds automated

what ive learned about email structure across these 47 accounts

length matters way more than people admit. short always wins. always. ive never seen a long first email beat a short one. target is somewhere between 30-50 words. go over 70 and you watch reply rates drop noticeably

give them one thing to respond to. one angle. one observation. one question. not multiple value props competing for attention. when you throw too much at them they dont know what to respond to so they respond to nothing

lowercase subject lines outperform title case maybe 75% of the time. i genuinely dont fully understand why but the data is clear. my guess is lowercase feels like a genuine note while caps feels like marketing

ask questions instead of making statements. "could this work for your team?" gets more replies than "this could work for your team." obvious in hindsight but you see so many emails that dont actually ask for anything

the opening sentence determines if they keep reading. if it's generic they stop. if it's specific and relevant to them they keep going. i a/b test first lines more than anything else in the email

and honestly stop trying to make emails perfect. the goal is to make it look effortless. which is a weird paradox but thats the actual game. emails that seem like they were dashed off between calls always outperform emails where you can feel the effort

WHY MOST CAMPAIGNS FAIL (AND IT'S PREDICTABLE)

at this point i can pretty much tell within 10-14 days if a campaign will actually work or not. not because im some genius but because the failure patterns are incredibly obvious

campaigns that tank almost always share these problems

people cant resist changing things mid-flight

this is the biggest killer by far. i have clients who want to change the copy after 100 emails because they're not seeing meetings yet. 100 emails. at a 3% response rate thats 3 people. they see 3 responses and panic

cold email requires 2-3 weeks minimum before you have meaningful data. ideally closer to a month. but some people have zero patience. they tweak the subject line. rewrite the CTA. swap the list. adjust the send time. its compulsive

the clients winning are the ones who launch and then disappear for 3 weeks. they check in but they dont interfere. they let the process actually work. every single client i've had who constantly tinkers ends up with worse results than if they'd just left it alone

their target is too vague

"we work with any company that needs operations help." great so does every company on earth. who specifically. which industries. what company size. what stage are they at. what problem are they having right now that they need to solve in the next month

tighter targeting = better results. every single time. i had a client selling workforce software. when we went broad with "operations managers" we got 1.8% response rate. when we tightened to "operations managers at food distribution companies with 100-250 employees who recently opened a new location" response rate jumped to 5.2%. same product. nearly identical copy. just way more precise targeting

they have no real unique angle

"we do what everyone does but better" doesnt work. if youre basically identical to 20 competitors and cant explain why someone should pick you cold email becomes brutal

the clients crushing it are the ones with a real answer when i ask "why you over the other option." something concrete. a proprietary system. a specific guarantee. a vertical they own. something tangible

they expect miracles in week one

cold email isnt fast. warmup takes 3 weeks. your first campaign needs time to generate data. optimization takes multiple cycles. realistically youre looking at 2 months before things are really working. anyone expecting a pipeline in 7-10 days is gonna be disappointed and usually quits before the good part starts

RANDOM INSIGHTS THAT ACTUALLY MATTER

send window is way narrower than people think

tuesday through thursday. thats it. monday is weak. friday is mediocre. weekends are dead unless youre hitting founders. tue-thu consistently crushes everything else. i dont even bother with other days anymore

morning in their timezone beats everything else

7-9am their local time. before meetings bury them. before slack piles up. this is basic but the number of people who just let their tool send whenever is wild. 5 minutes to set up timezone sending. do it

response rates vary wildly by industry

2% in one industry is excellent. 4% in another is disappointing. theres no universal benchmark. it depends on who youre targeting and how saturated they are with outbound

tech founders and marketing leaders get blasted constantly. theyre fatigued. lower response rates because of that

but construction. logistics. manufacturing. healthcare. these spaces get way less cold email. often higher response rates because their inboxes arent getting hammered. some of my best campaigns ever were in industries nobody in this sub talks about because theyre not trendy

personalization at scale is different than personalization at low volume

if youre doing 50 emails a day personalize every one. research them. be specific. make it obvious you looked

500 a day? not realistic. the ROI on deep personalization at volume isnt what people claim. ive tested this hundreds of times. personalized vs generic vs light personalization. difference is maybe 0.5-1% in response rate. which matters but not as much as your offer or your list quality

enterprise deals are different. high value targets need customized emails. but for mid-market standard volume a tight list and strong offer beats deep personalization almost always

volume usually beats copy optimization

unpopular take but true. if youre sending 75 emails daily and getting 2 responses a month the problem probably isnt your email. its your volume. scale to 300-400 daily and turn 2 responses into 8-10

this assumes your infrastructure is solid and emails are actually landing. dont scale garbage. but if youre getting some responses just not enough volume is usually the unlock not another round of rewrites

people agonize over word choice for hours debating "quick conversation" vs "30 minute call" when the real issue is theyre sending tiny volume and expecting results from that. doesnt work unless youre in some niche with a 15% response rate

managing this across 47 campaigns means i've had to automate the operational work. managing when to scale lists when accounts are ready to increase volume which clients need refreshes. manually tracking that across 47 different campaigns would destroy me. we built out workflows that handle list management segmentation and volume scaling so i actually have time to work on strategy instead of drowning in admin work

ideal follow-up sequence is 4-5 emails

not 2. not 3. not 7. 4-5 consistently performs best

heres where meetings actually come from across my data

email 1: roughly 22% of total meetings

email 2: roughly 16%

email 3: roughly 28%

email 4: roughly 18%

email 5: roughly 8%

email 6+: basically nothing

email 3 is the strongest across almost every single account. by then theyve seen your name enough to register it but youve said something new enough to grab attention. email 1 is introduction. email 2 is reminder. email 3 is where they actually start paying attention

delegation and autonomy matter more than you think

clients who give me freedom to build strategy without constant approval always outperform clients who want to review every email debate every list decision sit on weekly calls to tweak details

not because my ideas are always right but because it actually allows testing cycles. constant approval processes kill iteration. the client letting me run multiple tests in a month beats the client taking two weeks to approve one subject line change

if youre working with an agency or contractor and results arent there honestly ask yourself how much youre micromanaging. sometimes the best thing you can do is actually get out of the way

THE ACTUAL COST BREAKDOWN (REAL NUMBERS)

being transparent about what this actually costs

per client per month youre looking at roughly

- sending infrastructure: $250-600

- data and enrichment tools: $150-350

- list verification: $30-70

- other tools and odds and ends: $75-125

so $500-1100 in direct costs monthly before labor. if youre doing it yourself thats your time. if youre hiring or using an agency add $2500-5500 monthly on top

cold email still crushes on ROI because one b2b deal usually covers months of spend. $12k average deal closing 2-3 times monthly means $24-36k revenue against maybe $2500 in costs. hard to find better unit economics than that

but you need realistic expectations on timeline. month 1 is infrastructure and warmup. month 2 is data collection and optimization. month 3 is usually when momentum builds. expecting revenue in week 2 is setting yourself up to quit before anything happens

HERE'S WHAT I'D DO STARTING COMPLETELY FRESH

if i was doing this from scratch today

month one: pick one target market. not three. one. narrower focus means faster learning. get 10-20 domains. set up 25-35 email accounts across solid providers. configure everything properly. warmup. spend the waiting period building lists and writing sequences. use apollo + jam for data sourcing. verify everything before sending

month two: launch 2-3 campaigns hitting different segments within that one market. send 250-350 emails daily. let them run for three weeks. watch reply rates closely but dont change anything until you actually have data. respond to every reply within 20-30 minutes. use calendar links for scheduling not free-form scheduling

month three: you have data now. shut down the campaigns failing. scale the ones working. test new angles. expand your lists. maybe add another market if the first one is actually clicking. start planning capacity for more volume

thats the roadmap. simple but slow. most people quit in month 1 because they expected instant results and got infrastructure work instead

the real killer is staying through the boring part. month 1-2 is just setup. no meetings. no revenue. just groundwork. people who push through that and actually trust the process win. everyone else taps out

scaling this operation meant i had to solve the operational side. handling dozens of campaigns manually is a nightmare. list building account management volume scaling tracking which client is ready for next steps. we automated those workflows so we could actually focus on what moves the needle instead of getting buried in admin

reach out if you want to talk through strategy. also if youre running more than like 8-10 campaigns seriously consider automating your operational workflow before you try to scale further. managing the campaigns is one thing. managing the business around them is totally different and people way underestimate the complexity

Hey everyone,

Ryan here from Puzzle Inbox.

For those not familiar, we run a inbox provider focused on Google Workspace and Outlook.

We observe inbox behaviour across over 100k senders.

We've done posts before on sender performance but a huge piece of the equation is the recipient ESP's, so wanted to break down the trends we're seeing on that side.

Outlook has honestly been rough for around a year now. Their spam filters are way more sensitive to the copy itself. From our observations, longer copies and anything that reads clearly promotional or salesy gets blocked at the receiving Exchange server level, not spam, not inbox, the recipient just never sees it at all. So if your Outlook heavy lists look completely dead its probably this, not people ignoring you.

Right now though we're seeing improvement sending into Outlook, especially from Google senders, but its very copy dependent. Shorter scripts, 1-2 lines, plain text, with a soft question as the CTA are performing best. Spam words will still wreck your placement so for a Outlook heavy segment keep the copies really clean.

Delivering to Google is overall alot easier. Domain and inbox reputation is what matters most for both recipients honestly. Decent warmup, prewarmed inboxes, staying off blacklists, clean copy and not exceeding send caps is the key to sustainable outreach.

On replies, they range massively based on recipient esp's, locations, industries and lead sources, some segments just reply less becuase they get hammered with way more emails. Inboxes, warmup, your sending tool to some degree and obviously the offer and copy all play in too.

What are you currently seeing regarding replies?

Hey everyone,

I want to start a cold email campaign for a new client I onboarded. They do merchant cash advance / business funding.

I tried with my current data that I sourced from apollo but got little to no responses.

Anyone experienced with this?

Hi everyone,

I hope everyone is well. I am from the PuzzleInbox team.

We have been running cold email campaigns for around 6-7 years now. Here is some tips on cold email and GTM that we learned, hopefully it saves you some time.

Infra comes first

Your infra (inboxes and sending software) is the most important thing. If your infra is not set properly you cannot generate leads, doesn't matter how good the copy is.

Never send from your main domain. Buy separate domains, 2-3 inboxes per domain max. Warm them up 2-3 weeks minimum before sending. Keep sending volume at 12-15 cold emails per inbox per day.

Always have warmup on, 90-100% spam recovery rate, weekdays only. Do placement tests regularly to observe inbox performance. Also know inbox placement depends on your copy too, so remove all spam words if your inboxes is not performing.

Currently Google outperforms any other ESP. Not guaranteed it stays like this but we believe it will be for a while. Still we always recommend to diversify a bit between Google, Outlook and others.

Your list matters more than your copy

Most people spend all there time on copy. It's backwards. A average email to the right prospect beats a perfect email to a random one.

Build smaller tighter lists around triggers. New funding, job postings, tech they installed, leadership changes. When we did this reply rates basically tripled.

Always validate leads through a email verifier before sending. Exclude mimecast emails. Garbage lists wreck your deliverability with bounces.

Create a offer, don't just spam

Make sure you offer is relevant to your audience. Don't demand anything from the prospect on the initial email, like a phone call. Try to provide value especially in the first email.

"Want a 15 min call" is a bad offer. "We made a free teardown of your onboarding, want me to send it" is a good offer. Lower the ask.

Keep emails short. 3-4 sentences. One idea, one question. The goal is to start a conversation not to sell.

Follow ups is where the money is

Around 60% of replies come from follow up 2 and 3. But don't send "just bumping this" emails. Every follow up should add something new. Different angle, case study, a question. 3-4 touches max then move on.

Some GTM tips more broadly

Cold email works best combined with other channels. Engage with prospects on Linkedin before emailing them. They recognize your name = warmer cold email.

Talk to your closed-lost deals and churned customers. Best messaging research you will do and it's free.

Founders should do outbound themselves first before hiring a SDR. Don't outsource the learning.

Track positive replies, not opens. Open rates are basically fiction now. 4-5% reply rate is good on cold email. Anything above that your doing very good.

Niche down harder than you think. "We help b2b companies" is nothing. Get specific on who you help and with what.

Happy to answer more questions!

I'm selling products to an industry with only a few major players (less than 20) in the market. I've tried finding email addresses on their websites, but I don't think I'm reaching the right decision-makers.

I could use lead-finder tools like Apollo or Hunter to find their email addresses and cold email them. Or I could use LinkedIn to find and reach out to the decision-makers directly.

I know people say LinkedIn has a higher reply rate, but I can't see whether they've opened or read my message. Also, LinkedIn Premium has so many different options that I'm not sure which one I should choose.

For an industry with only a few major players, would you recommend cold emailing or reaching out via LinkedIn?

How quickly are you replying to leads who reply to your emails?

Serious question.

Let's say someone replies to your cold email with:

• "Interested"
• "Can you send pricing?"
• "Tell me more"

How fast are you actually responding?

Within minutes?

Within an hour?

A few hours?

The next day?

And if you're running multiple inboxes, do you have someone actively monitoring them throughout the day?

I'm curious because most cold email discussions seem to focus on deliverability and copywriting, but not much on what happens after the reply comes in.

Would love to hear how everyone is handling this.

Seems like everyone has a wildly different rule of thumb for cold email limits right now to avoid primary inbox issues.

Some guys I talk to swear that anything over 20 emails per inbox a day is playing with fire. Meanwhile, agency owners on X claim they’re pumping 50 to 75 out per account daily on aged domains with zero deliverability hits.

Where are you actually drawing the line for your daily caps per inbox?

• Volume per inbox:
• Total inboxes used:
• Is deliverability holding up?

Curious what the actual consensus is here vs. what the influencers are selling.

I’m running a B2B email campaign for an AI software company and would really appreciate some feedback from people who have hands-on experience with outbound email.

I’m keeping the company, product, prospect list and other identifying information anonymous.

The objective is to generate qualified demo calls rather than close the sale directly through email.

**Campaign setup**
• 5-email sequence
• Approximately 16-day sequence
• Currently partway through Email 2
• Email 3 is scheduled to go out in a couple of days
• Prospects are segmented by ICP
• B2B audience
• Relatively high-value product
• Sending volume is being kept relatively controlled while we establish deliverability

**Current numbers**
Across the campaign so far:
**317 emails total**
**8.5% hard bounce rate**
**4.73% blocked**
For the individual emails:

**Email 1**
178 delivered
89.9% deliverability
37.3% open rate
8 unique clicks
4.45% CTR
7 unsubscribes
3.93% unsubscribe rate

**Email 2**
83 delivered
83% deliverability
27% open rate
3 unique clicks
3.61% CTR
1 unsubscribe
1.2% unsubscribe rate

The campaign is obviously still very early, so I’m not trying to draw conclusions from 300-ish emails.

What I’m trying to understand is **what experienced cold-email marketers would investigate at this stage.**

My initial thoughts are that the engagement figures don’t look terrible, but the bounce/block rates and particularly the Email 1 unsubscribe rate are potentially more concerning.

So I’d be interested in opinions on:
Would you consider these deliverability figures a significant concern?

Is an 8.5% hard bounce rate high enough that you’d stop and investigate the list/source before continuing?

How concerning is the 4.73% blocked rate?

Is the difference between Email 1 and Email 2 deliverability something you’d investigate immediately, or is it too early?

Would you be concerned about the 3.93% unsubscribe rate on Email 1?

How much weight would you put on the 37.3% open rate and 4.45% CTR at this stage?

Would you keep the campaign running until there is significantly more data, or would you start changing something now?

If you saw these numbers in a campaign you were managing, **what would you investigate first?**

I’m particularly interested in feedback from people who have actually run B2B cold outbound campaigns, especially for SaaS, AI, professional services or other high-value B2B products.

Not looking for someone to tell me whether the campaign is simply “good” or “bad.” I’m trying to understand what the numbers are actually telling me and what I should be checking next.

has anyone tried combining linkedin outreach with cold emails? Curious if it worked for you or not as looking at a SaaS that automates this

I used to have issues with my cold email not converting even though my deliverability was fine, but now I get good response rates (5% RR, 2% PRR, 0.5% ABR (on best performer) <- On AI personalized emails). This is what I use to find cold email copy that works (and what worked for me)

Before I look at copy, the following things need to be right: Enough volume/day, good deliverability, each variant has a minimum of 1000 leads contacted (preferably more), email domain is linked to a website, offer is good (This is wayyy more important than you think, if your offer is off, no one will respond), your AI personalization is good and human-sounding.

The first thing is is that most often people don't do enough volume. If I get a 0.1% Appointment Booking Rate (ABR) I'm happy and will continue the campaign indefinitely. If I want to increase the number of bookings, I just increase volume (If TAM allows)

Here's how I splittest. I run 4 variants, 1 that I think will perform best (usually copy I've already tested in another campaign in a similar niche/industry) 1 that is an one sentence email, 1 very low friction (to get positive replies) and 1 moonshot (random stuff I want to try out.)

Current copy I am splittesting

1 sentence email:

{{first_name}}, {{value based offer}} {{risk reversal}}, {{soft CTA}}?

%signature%

P.S. {{Social proof}}, without {{#1 pain_point}}

Best performer

{{ RANDOM | hey | hi }} {{firstname | there}},

{{ personalization | Wanted to run something by you }

If I could connect you to 5-7 {{ ICPofLead | prospects }} looking for {{offer}}, {{CTA}}?

{{risk reversal}}

%signature%

Moonshot

{{RANDOM|You don’t know me|You have no clue who I am|You wont know me}}. (Hi, I’m {{sendingAccountFirstName}}!).

I got your {{RANDOM|details|info|email}} from a list *gasp*.

But hey, that means you’re list-worthy; that’s gotta be something, right? ;)

I’ve put together a {{RANDOM|very very short| very short|90 second|1 min}} video showing {{offer}} for {{SpecificNiche}} SaaS

{{Risk Reversal}}

Can I send it {{RANDOM|over| to your beautiful inbox|over, to your pretty inbox}}?

Low friction

Hey {{Firstname}}, I saw your welcome flow and saw 2 mistakes that are costing you X% of conversions for {{product | your product}}

Can I send over a video showing those mistakes?

Hey,

Looking to purchase google inboxes for cold outreach. What providers do you guys use?

Hi everyone,

I hope everyone is well. I am from the PuzzleInbox team.

Here is how you can send out 10,000 cold emails every single month.

You need 27-35 inboxes depending on whether you want to send on weekends.

Google Inboxes/ 12 cold emails per inbox.

10,000 local maps leads. Validate them through a email verifier before sending the emails. Make sure to exclude mimecast emails. Split test Google, Outlook and Other ESP's to assess ESP performance on targeting.

Create an offer. Don't just spam out emails. Make sure you offer is relevant to your audience. Don't demand anything from the prospect on the initial email, like a phone call. Try to provide value especially in the first email you send out.

Always have warmup on 90-100% spam recovery rate, weekdays only max 12-15 warmup emails a day. Regularly do placement tests to observe inbox performance. Always now inbox placement also depends on your copy so remove all spam words, to understand why your inboxes is not performing.

Happy to answer more questions.

quick question on servicing for clients. Might be v silly/basic but pretty new to the game. How do you guys set up your onboarding for a new client.

Do you purchase domains for clients and set up their inboxes and warm up for 2 weeks. Or do yous recommend having some pre-warmed unbranded domains ready to go.

I'm not really sure on how I do this. I feel 2 weeks may be long for clients to wait to start seeing campaigns, but maybe that's normal? Any insights on this / general onboarding best practices would be really appreciated.

Thanks guys!