Having trouble with your Debian email server using Postfix, Dovecot, and SpamAssassin? You may find that external emails are not being accepted, but outgoing mails are being sent. This issue might be related to incorrect parameter settings. Despite your server not being an open relay, you suspect there is a problem with the configuration. Read on to learn how to resolve this common tech support problem and optimize your email server for smooth operation.
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Having trouble sending external emails or accepting incoming ones on your Debian server running Postfix, Dovecot, and SpamAssassin? Despite your best knowledge, your server isn't an open relay. Read more to learn how to tackle this likely parameter order issue.
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Learn how to train SpamAssassin for continuous operation, using a script that calls sa-learn every time a user moves an email to their Spam folder in Dovecot IMAP. This guide provides best practices for effective spam filtering.
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Thunderbird, a popular email client, stores mail in the *.sbdbox file format. Starting from August 7th, a behavioral change has been observed in recent Thunderbird versions where mail beginning lines are truncated in the *.sbdbox file. This issue seems to be related to SpamAssassin integration. Find out more about this issue and potential solutions in this tech support article.
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