Fix Message-ID field to be RFC 2111-compliant to prevent e-mails from being dropped

Closes #2867 (closed)

Added 1 commit:

• 2e92600b - Fix Message-ID field to be RFC 2111-compliant to prevent e-mails from being dropped

Title changed from Fix Message-ID field to be RFC 2111-compliant to prevent e-mails being dropped to Fix Message-ID field to be RFC 2111-compliant to prevent e-mails from being dropped

@stanhu thank you!

Status changed to merged

Milestone changed to 8.1

@rspeicher This is a patch-release MR

Good point. I didn't realize this was introduced in f76eac56.

mentioned in issue #2572 (closed)

Picked into 8-0-stable.

mentioned in issue #36054 (closed)