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Postgrey Alternatives

Postgrey Alternatives

Postgrey

Postgrey is a Postfix policy server implementing greylisting developed by David Schweikert.

When a request for delivery of a mail is received by Postfix via SMTP, the triplet CLIENT_IP / SENDER / RECIPIENT is built. If it is the first time that this triplet is seen, or if the triplet was first seen, less than 5 minutes ago, then the mail gets rejected with a temporary error. Hopefully spammers or viruses will not try again later, as it is however required per RFC.

Best Postgrey Alternatives

Looking for the best programs similar to Postgrey? Check out our top picks. Let's see if there are any Postgrey alternatives that support your platform.

BullGuard Spamfilter

BullGuard Spamfilter

FreeWindowsMicrosoft Office OutlookThunderbird

Most people find spam e-mails the biggest nuisance on the Internet. Today, spam e-mails account for over 80% of all e-mail traffic and their volumes increase daily....

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