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Category/Network-hookup/mail-transport-agent

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mail-transport-agent (5)



Ec
'Ec' supports reading, composing, and filtering messages. It can send and receive mail to and from POP3 and SMTP servers, and route mail using sendmail, exim, and qmail. It also supports base-64 MIME attachments and multiple accounts.

Exim
Exim is a message transfer agent (MTA) developed at the University of Cambridge for use on Unix systems connected to the Internet. It was originally based on Smail3, and has a similar configuration style, but has developed a more flexible and extensive set of facilities. The developers warn that v. 4.00 has had many changes, including incompatible changes to the run time configuration file.

PyEximon
PyEximon is a GNOME monitor/manager for the popular unix Mail Transfer Agent, Exim.

Uucp Heckert gnu.small.png
Uucp copies files to or from another *nix system which also runs uucp. It transfers mail, news, and files between systems which are not connected by more modern means. The connection can be made via modem, a hard-wired serial connnection, or via an IP connection. >P>is package has everything you need to make a UUCP connection, including versions of uucico, uusched, uuxqt, uux, uucp, uustat, uulog, uuname, uuto, uupick, and cu, as well as uuchk (a program to check configuration files), uuconv (a program to convert from one type of configuration file to another) and tstuu (a test harness for the package). package currently supports the f, g (in all window and packet sizes), G, t and e protocols, as well a Zmodem protocol and two new bidirectional protocols. If you have a Berkeley sockets library, it can make TCP connections. If you have TLI libraries, it can make TLI connections.

Vthrottle
'vthrottle' is an implementation of an SMTP throttling engine for Sendmail. It lets sysadmins control how much email users and hosts may send, hindering the rapid spread of viruses, worms, and spam. Exceptions can be made via a whitelist mechanism, which can be generated manually or with the included tool 'vmeasure'. 'vthrottle' tells the misbehaving client to hold on to the deferred mail and resend it later. 'vthrottle' evaluates mail transactions at the connection, the HELO (or EHLO) statement, and the stated source address of the mail. For each of these, a list is traversed and the observed time interval between observations is evaluated. If the observed interval is shorter than the policy interval, the mail is blocked by sending a failure reply code to the SMTP client; the message is then queued. Because 'vthrottle' uses libmilter, it will not work with other MTAs, only with sendmail.




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