Die wenigsten Hosts sind auf vollständige Installationen von qmail, sendmail, etc. angewiesen. Wer ohnehin einen zentralen Mailserver fährt und Workstations lediglich zum Mailen, News lesen, Programmieren, Grafiken bearbeiten usw. nutzt, kann die Mailsysteme auf den einzelnen Hosts durch smtppipe ersetzten, welches eine Mail von stdin liest und an den durch $SMTPRELAY genannten Mailserver weiterleitet.
smtppipe V0.23 - reads mail from stdin and forwards it to a smtp relay
conformal with sendmail and qmail-inject command line switches
smtppipe [-a] [-h] [-t] [-A] [-H] [-f sender] [-m relay] [-p port] [-l] [-x]
[-ct connect_timeout] [-rt read_timeout] [-wt write_timeout]
[-hn hname] [-tls mode]
[-v] [-oem] [-oi] [-i] [--] [recipient ... ]
smtppipe --help
smtppipe -help
smtppipe -V
-a send message to all addresses given as recipients arguments;
do not use any header recipient addresses
-h, -t send message to all header recipient addresses (To, Cc, Bcc);
do not use any command line recipients
-A send message to all addresses given as recipient arguments; if
no recipient arguments are given, use header recipient addresses;
this is the default behaviour
-H send message to all addresses given as recipient arguments and
to all addresses given as header recipients
-f sender forces envelope sender address; if not specified, then the
From:-line found in the header, the environment parameters USER,
QMAILUSER, LOGNAME, and the name of the account, under which
smtppipe runs (in that order), are checked for an user name
-m relay host name or address of a smtp relay; if not specified, then the
environment variables SMTPRELAY, QMAILHOST, and MAILHOST (in that
order) are checked for a host name or an address
-p port use specified port number when connecting to the smtp relay
instead of the default SMTP port; if the host name of the smtp
relay is given in a host:port or [host]:port notation, then that
port is used
-l be lazy; don't print out warnings
-x don't insert missing From, Subject, Message-ID and Date lines
into the header of your mail
-ct # timeout on connecting to smtp relay; defaults to 60 seconds
-rt # timeout on reading from smtp relay; defaults to 120 seconds
-wt # timeout on writing to smtp relay; defaults to 120 seconds
-hn hname use hname for HELO/EHLO and to extend unqualified addresses;
if not specified, use the fqdn of the local host
-tls mode use the given TLS mode:
none: don't use TLS at all;
auto: use TLS transport mode if port is 465, of if relay offers
STARTTLS after EHLO;
start: send STARTTLS as soon as a connection is established;
force: use TLS transport mode;
defaults to auto
-v be verbose (print out what is being done);
use -vv for debugging;
-oem not handled due to compatibility
-oi not handled due to compatibility
-i not handled due to compatibility
-- not handled due to compatibility
recipient list of space separated recipient addresses
--help displays this help
-help displays this help
-V displays version
smtppipe supports authentication against the smtp relay only through the
following environment parameters:
$SMTPUSER cleartext user name used for authentication
$SMTPPASS cleartext password used for authentication, or OAuth token in
case of XOAUTH2 or OAUTHBEARER; both $SMTPUSER and $SMTPPASS must
be set for authentication to happen.
$SMTPMECH force authentication method; if not set, then smtppipe will try
to use LOGIN, PLAIN, XOAUTH2, and OAUTHBEARER (in that order) if
supported by the smtp relay.
smtppipe handles bcc recipients and deletes them before final delivery.
see https://www.ogris.de/smtppipe/
Also z.B.:
$ (echo -e "Subject: haha\n"; cat /etc/passwd) | SMTPRELAY=mail.mydomain.de ./smtppipe www@ogris.de
.muttrc:
set envelope_from set sendmail="/usr/bin/smtppipe -m mail.my-domain.de"