[Dovecot] Duplicate E-mail Problem

[Steffen Kaiser]

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On Fri, 13 Apr 2007, Stewart Dean wrote:

> When this happens with sendmail, it can be that the queue handler doesn't 
> finish before a new queue handler is kicked off, so each successive queue 
> handler/runner ends up sending the same mail.

As Matthias already pointed out, sendmail, too, locks a mail _before_ the 
queue runner retries a message, so there is yet another possibility 
(beside the one mentioned by Matthias), if the locking fails, two runners 
might retry the same message.

Bye,

- -- 
Steffen Kaiser
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