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Old 29th March 2013, 12:35
compugraphix compugraphix is offline
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if i was you i would install fail2ban and turn it on for courier-pop3(-ssl), courier-imap(-ssl) and smtp configuration and try to move your clients over to the ssl variant of your mail setup cause this is much more secure.

Could be somebody hacked the password of a mail user via bruteforce or some other way

Last edited by compugraphix; 29th March 2013 at 12:37.
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