Over the past few days I tracked down an interesting issue that was preventing certain items on perl.org mailing lists (specifically bug reports) from propogating to upstream news servers and therefore groups.google.com.
The problem that took forever to isolate? Trailing whitespace on the Message-Id header line after the > was causing the message to get rejected.
This seems absurd to me. What ever happened to
Be liberal in what you accept -- and conservative in what you send?
We've put a fix in the perl.org newsserver, and there is a fix in the latest
Mail::Mailer that will stop it from adding whitespace. A fix for INN is being looked into. But I've been told to not hold my breath.
Oh well.
I've had the same happen
Dom2 on 2002-08-29T07:18:09
I remember a developer at a previous job having something like this happen. She was generating message-id's which contained a colon. They were fine in test mode, which didn't go near the real server, but when they actually got fed into INN, it rejected them.
-Dom