bobc17055580
16-12-2019
I didn't receive the notifications and got error message (554 Blocked - see https://ipcheck.proofpoint.com/?ip=#IP#) from the delivery error log.
I tried the website and it says not blocked by ipcheck. proofpoint.
Does anyone have an idea how to fix this?
Many thanks,
Bob
wodnicki
MVP
17-12-2019
Hi,
Were you checking the external IP of your MTA(s)?
Thanks,
-Jon