Hi Guys, I've several mail servers running (postfix + dovecot + mysql + mailscanner) that has been up for a long time now and suddenly it stopped working one by one. It began by users experiencing bouncing emails even though the user exist then it became worst, all emails is now being tagged as spam even those from yahoo and gmail. I suspect MailScanner might be causing the issue so I turned it off but the server keep on rejecting emails because of postfix's smtpd_client_restrictions rule that blocks emails if it came from an ip address listed on spamhaus.org, but after disabling that parameter emails from sites like yahoo and gmail still gets blocked according to postfix it's listed in sbl-xbl list, I know for a fact that this shouldn't suppose to happen but it did. Anybody ever experienced this? What's the workaround, I'm stumped, I have no idea why it suddenly got screwed.
TIA Jan
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