We recently experienced a problem with our smtp delivery where the connection is lost to the SMTPHOST which caused all the OutgoingRunners to lock up. There is no connection reset or anything so the connection appears to be ESTABLISTED and it just sits there. Eventually all OutgoingRunners are consumed in this state.
The only reference I see to something similar to this happening is at: http://www.mail-archive.com/[email protected]/msg07442.html The patch I've attached is a simple alarm around the SMTPDirect.py call into smtplib to terminate the connection after a configurable amount of time. Right now I have it set to minutes(10) but it's completely configurable via mm_cfg.py Any thoughts about this? Thien
mailman-smtpdirect-timeout.diff
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