56 lines
2.3 KiB
Text
56 lines
2.3 KiB
Text
Purpose and value:
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This is sSMTP, a program that replaces sendmail on workstations that should
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send their mail via the departmental mailhub from which they pick up their
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mail (via pop, imap, rsmtp, pop_fetch, NFS... or the like). This program
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accepts mail and sends it to the mailhub, optionally replacing the domain in
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the From: line with a different one.
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WARNING: the above is all it does. It does not receive mail, expand aliases
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or manage a queue. That belongs on a mailhub with a system administrator.
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The man page (ssmtp.8) and the program logic manual (ssmtp_plm) discuss the
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limitations in more detail.
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It uses a minimum of external configuration information, and so can be
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installed by copying the (right!) binary and an optional four-line config
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file to a given machine.
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Type of systems supported:
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Berkeley-derived, or ones otherwise using /usr/lib/sendmail as a mail transfer
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agent. In use on SunOS 4.1.1, NextStep 2.x/3 and Ultrix 4.2, tested briefly on
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AIX 3.2 and RISCos. Tested by others on DG U/X 5 and SVR4.
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You may need to #define USE_OLD_ARPADATE for the Cygwin port of ssmtp
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(otherwise the day of the month would always be the letter "d").
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Dependencies:
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External: Berkeley sockets and supporting libraries.
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Known limitations:
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This is not a complete sendmail. It is only a program to post mail to a
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mailhub for people who don't *want* a complete sendmail. Therefore a lot of
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flags are not supported. The old header limit of 4K is fixed and the number
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of recipients is as large as can be held in memory.
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Known problems:
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Pine uses a lot of sophisticated options to talk to sendmail, and uses
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batched SMTP input which is not supported. The solution is to use your mailhub
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as smtpserver in pine.conf. If the mailhub is not reachable, sSMTP will fail.
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Authors:
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David Collier-Brown, davecb@hobbes.ss.org, davecb@sni.ca or dave@lethe.uucp
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Christoph Lameter, clameter@debian.org, clameter@waterf.org, clameter@i-m-f.org
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Hugo Haas, hugo@debian.org, hugo@larve.net, hugo@via.ecp.fr
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Matt Ryan, mryan@debian.org, matt.ryan@banana.org.uk
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TLS support from Tobias Rundstrom <tobi@tobi.nu>
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IPv6 support from Jun-ya Kato <kato@goto.info.waseda.ac.jp>
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MD5 authentication support from TAKIZAWA Takashi <aki@luna.email.ne.jp>
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Current Maintainer:
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Anibal Monsalve Salazar, A.Monsalve.Salazar@IEEE.org
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Patchlevel:
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See ssmtp.c
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Copying conditions:
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GNU GPL
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