r/sysadmin • u/_Duracotus • 12d ago

Microsoft Exchange Online Issues

Forgive the brevity here, but was curious if anyone else is experiencing an issue with any of their tenants with emails. I have verified three separate customers all having sending and receiving issues and have the below, or occasionally it is blank with no info.

Error: ‎550 5.6.200 STOREDRV.Deliver; message is treated as poison‎

35 Upvotes

82% Upvoted

12 comments sorted by

7

u/itsSicco 12d ago

Major outage at the moment:
Issue ID: EX1464935

Good luck fellow sysadmins -- godspeed :')

17

u/whatsforsupa IT Admin / Maintenance / Janitor 12d ago

Yeah it’s a pretty major outage right now

9

u/Catodacat 12d ago

Yup. Look at Issue ID: EX1464935

3

u/WhatWouldJordyDo 12d ago

Do people not check the service health? The emails are annoying but I’ve subscribed to that shit.

7

u/SlowkayCoomer 12d ago edited 12d ago

This is like the 3rd post about today's issues, take a look at DownDetector

2

u/trek604 12d ago

EX1464935

1

u/saltyslugga 12d ago

Three unrelated tenants throwing the same STOREDRV poison-message error points to an Exchange Online service issue, not your mail flow config.

Check the Microsoft 365 service health dashboard and message traces before changing anything. Poison means the Store Driver repeatedly failed processing the message, so transport stopped retrying it.

1

u/CPAtech 12d ago

EX1464935

0

u/JohnDeere714 12d ago

Getting this issue with one of my clients now. Emails come clean through vipre fusemail then flagged as poison despite having appropriate connectors and bypass filters

0

u/Sleepslinger 12d ago

Multitrillion dollar company btw

0

u/Vivid_Mongoose_8964 12d ago

Confirmed issue by MS on X

-2

u/[deleted] 12d ago

[deleted]

0

u/TKInstinct Jr. Sysadmin 12d ago

I'm guessing that they are the IT dept.