Postfix greylisting policy service with auto-white-listing written in Perl with SQL database as storage backend. Greylisting stops 50 to 90 % junk mails (spam and virus) before they reach your Postfix server (saves BW, user time and CPU time).
A highly scalable/configurable Mail platform allowing users in a domain to be distributed across multiple hosts, has multiple queues and uses qmail as MTA.
Also provides virtual domains/users in MySQL. No patching of qmail required. A full-featured mail server providing ESMTP, IMAP/POP3, QMTP
... [More], QMQP, DKIM, DomainKeys, etc
In tests carried out by users, IndiMail's multi-queue architecture outperforms postfix in mail inject rates.
IndiMail allows extending a domain across multiple servers. This feature also allows you to setup a domain with a heterogeneous mix of mail servers.
Read more about IndiMail at
https://github.com/mbhangui/indimail-virtualdomains/wiki/IndiMail [Less]
bley is an intelligent greylisting daemon for Postfix. It uses various tests (incl. RBL and SPF) to decide whether a sender should be greylisted or not, thus mostly eliminating the usual greylisting delay while still filtering most of the spam.
Gross is a greylisting server. The features that make gross stand out from other greylisters are:
- it's blazingly fast
- it's amazingly resource efficient
- it can be configured to query DNSBL databases, and enforce greylisting only for hosts that are found on those databases
- it can block
... [More] hosts that match multiple DNSBL's
- it can be replicated and run parallel on two servers
- It supports Sun Java System Messaging Server, Postfix, Sendmail and Exim. [Less]
sgwi is a web-interface to SQLGrey (SQLGrey is a greylister for Postfix).
This web-interface enables you to edit the white- and blacklists as well as the current state of the greylist.
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