Author: Chris Russell Date: To: exim users CC: W B Hacker Subject: Re: [exim] 421 SMTP incoming data timeout - Message body lacks '\n'
Brent,
I can confirm we also see this issue using exim/MailScanner. I've also done tcpdump debugging which also shows when first received this is fine, it`s when MailScanner rewrites the file to the outbound spool that things break.
On our setup, this only manifests itself with mailing list/marketting emails, specifically those with fairly long From addresses. I've tried working through this with Julian Field (MailScanner) but have yet to see a resolution despite Julians best efforts.
Attached is a PHP file which when ran via cron, works around the issue after the queue file is past a certain age (we have PHP on our mail servers for other reasons, although this is a fairly simple convert to Perl)
It`s not pretty, but it does work. If you do find a resolution, please let me know..
Cheers
Chris
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