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Old 6th June 2013, 23:47
cbj4074 cbj4074 is offline
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The problem has not recurred since I reordered the values within the smtpd_recipient_restrictions directive.

I strongly recommend enabling fail2ban's Postfix filter, as I did, too. This filter is banning over 600 IP addresses every 24 hours. I wish I had enabled this filter sooner!
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