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Taking e-mail back, part 3: Fortifying your box against spammers

That includes: - emails to wrong local-parts in accepted domains (i.e. bad addresses) - messages whose sender connections are on DNSBLs - messages that fail checks before the DATA stage, e.g ... read more

Taking e-mail back, part 3: Fortifying your box against spammers

We load up OpenDKIM, SpamAssassin, ClamAV, and get Sieve filtering operational. Read the whole story ... read more