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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 for Web

You're looking for the best programs similar to Postgrey. Check out our top picks. Below, let's see if there are any Postgrey alternatives that support your platform.

Spamfence.net

Spamfence.net

Free PersonalWeb

Professional e-mail security free for private use: With Spamfence.net eleven offers the professional e-mail security of the spam filter and e-mail categorisation service...

MailRoute

MailRoute

CommercialWeb

MailRoute provides a hosted service for mail protection from virus and spam. MailRoute is a secure, hosted cloud email filtering service that you can have up and...

Happy Moose

Happy Moose

CommercialMacWindowsLinuxWeb

Happy Moose is a super-efficient cloud anti-SPAM solution for organizations. It stops up to 99.7% of SPAM, and no false positives. It means that you don't need to...

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