On Thu, 18 May 2006, Marc Perkel wrote: | On rare occasions a user will get several duplicate messages. What | appears to be happening is that the sending server completes the | transfer and Exim accepts it, but the sending server thinks the delivery | failed and therefore resends the same message.
Check out RFC 1047, which explains why duplicates occur where DATA-time scanning takes too long... This is SMTP's built-in fail-safe mechanism - it's better than the alternative of lost mails. | It only happens with specific servers. The duplicates always come from | the same place. Likely these sending servers have particularly low timeouts. You may want to: - tune settings so senders are defered earlier, if box is busy - find (yet more...) ways to pass less to SpamAssassin - buy more kit -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
