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软件名称: amavisd new
授权方式: GPL
操作系统: Linux,FreeBSD,UNIX
软件大小: 924K
最新更新: 2012-07-09 20:46:02
软件简介:

amavisd-new 是一个介于 MTA 和内容过滤软件之间的桥梁,其角色就像是两者之间的沟通者。 amavisd-new 本身也是个简单的 MTA,也可以用来架设一个独立的 Mail Gateway,提供多台 Mail Server 做邮件过滤。除此之外,amavisd-new 还可以结合十多种杀毒软件来做病毒防护。
amavisd-new 在这里的作用主要是:
负责调用 ClamAV 对邮件进行病毒扫描
负责调用 SpamAssassin 对邮件内容进行过滤

amavisd-new is a high-performance interface between mailer (MTA) and content checkers: virus scanners, and/or SpamAssassin. It is written in Perl for maintainability, without paying a significant price for speed. It talks to MTA via (E)SMTP or LMTP, or by using helper programs. Best with Postfix, fine with dual-sendmail setup and Exim v4, works with sendmail/milter, or with any MTA as a SMTP relay. For Courier and qmail MTA integration there is a patch in the distributed package.
amavisd-new is a high-performance and reliable interface between mailer (MTA) and one or more content checkers: virus scanners, and/or Mail::SpamAssassin Perl module. It is written in Perl, ensuring high reliability, portability and maintainability. It talks to MTA via (E)SMTP or LMTP protocols, or by using helper programs. No timing gaps exist in the design, which could cause a mail loss.

It is normally positioned at or near a central mailer, not necessarily where users   mailboxes and final delivery takes place. If looking for a per-user and low-message-rate solution to be placed at the final stage of mail delivery (e.g. called from procmail or in place of a local delivery agent), there may be other solutions more appropriate.

When calling of Mail::SpamAssassin (SA) is enabled, it calls SA only once per message regardless of the number of recipients, and tries very hard to correctly honour per-recipient preferences, such as pass/reject, check/nocheck, spam levels, and inserting spam-related mail header fields.

amavisd-new benefits from the use of Perl module Net::Server, which offers a fast pre-forked multichild process control. amavisd-new provides rfc2821-compliant SMTP server and client, a rfc2033-compliant LMTP server and client, and generates rfc3462/rfc3464-compliant (ex rfc1892/rfc1894) delivery (and non-delivery) status notifications.

This makes it suitable for mail anti-virus and/or anti-spam checking on a busy mail gateways that care for reliability and standards compliance.

amavisd-new grew out of amavisd(-snapshot) (which in turn is a daemonized version of amavis-perl), but through five years of development turned into a separate product, hardly resembling its origin. The code is several times the size of its predecessor, yet faster in throughput, richer in features, compliant to standards, includes optional support for spam detection, and makes virus scanning optional and easier to adjust/extend. Compatibility with helper programs from amavisd(-snapshot) is retained.

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amavisd-new-2.3.3.tar.gz
amavisd-new-2.4.0.tar.gz
amavisd-new-2.4.1.tar.gz
amavisd-new-2.4.2.tar.gz
amavisd-new-2.4.3.tar.gz
amavisd-new-2.4.4.tar.gz
amavisd-new-2.4.5.tar.gz
amavisd-new-2.5.0.tar.gz
amavisd-new-2.5.1.tar.gz
amavisd-new-2.5.2.tar.gz
amavisd-new-2.5.3.tar.gz
amavisd-new-2.6.0.tar.gz
amavisd-new-2.6.1.tar.gz
amavisd-new-2.6.3.tar.gz
amavisd-new-2.6.4.tar.gz
amavisd-new-2.6.5.tar.gz
amavisd-new-2.7.0-pre15.tar.gz
amavisd-new-2.6.6.tar.gz
amavisd-new-2.7.0.tar.gz
amavisd-new-2.7.1.tar.gz
amavisd-new-2.7.2.tar.gz

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