Operating Systems Linux Red Hat Problems sending mail: Difference between Mail and Mailx? Post 302850403 by MadeInGermany on Wednesday 4th of September 2013 04:07:04 PM
The -r option is not portable. Maybe on purpose because it's ideal for a spammer.
The default is the user who sends the mail, and the administrator put some rules to generate a sender address out of it. (And that's not safe against a professional spammer either.)
I like the old Unix mail or sendmail tools that do not even know a -s option, and you have to construct the mail header in SMTP style:
echo "\
Subject: $SUBJECT 
From: $FROM

" | mail $RECIPIENTS

NB an empty line indicates the end of the header section.
You can still try that with your advanced mail and mailx programs...
Test Your Knowledge in Computers #475
Difficulty: Medium
A Yottabyte (YB) equals 1,208,925,819,614,629,174,706,176 bytes.
True or False?

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Mail::Transport::Mailx(3pm)				User Contributed Perl Documentation			       Mail::Transport::Mailx(3pm)

Mail::Transport::Mailx - transmit messages using external mailx program INHERITANCE
Mail::Transport::Mailx is a Mail::Transport::Send is a Mail::Transport is a Mail::Reporter SYNOPSIS
my $sender = Mail::Transport::Mailx->new(...); $sender->send($message); DESCRIPTION
Implements mail transport using the external programs 'mailx', "Mail", or 'mail'. When instantiated, the mailer will look for any of these binaries in specific system directories, and the first program found is taken. WARNING: There are many security issues with mail and mailx. DO NOT USE these commands to send messages which contains data derived from any external source!!! Under Linux, freebsd, and bsdos the "mail", "Mail", and "mailx" names are just links to the same binary. The implementation is very primitive, pre-MIME standard, what may cause many headers to be lost. For these platforms (and probably for other platforms as well), you can better not use this transport mechanism. METHODS
Constructors Mail::Transport::Mailx->new(OPTIONS) -Option --Defined in --Default executable Mail::Transport undef hostname Mail::Transport 'localhost' interval Mail::Transport 30 log Mail::Reporter 'WARNINGS' password Mail::Transport undef port Mail::Transport undef proxy Mail::Transport undef retry Mail::Transport <false> style <autodetect> timeout Mail::Transport 120 trace Mail::Reporter 'WARNINGS' username Mail::Transport undef via Mail::Transport 'mailx' executable => FILENAME hostname => HOSTNAME|ARRAY-OF-HOSTNAMES interval => SECONDS log => LEVEL password => STRING port => INTEGER proxy => PATH retry => NUMBER|undef style => 'BSD'|'RFC822' There are two version of the "mail" program. The newest accepts RFC822 messages, and automagically collect information about where the message is to be send to. The BSD style mail command predates MIME, and expects lines which start with a '~' (tilde) to specify destinations and such. This field is autodetect, however on some platforms both versions of "mail" can live (like various Linux distributions). timeout => SECONDS trace => LEVEL username => STRING via => CLASS|NAME Sending mail $obj->destinations(MESSAGE, [ADDRESS|ARRAY-OF-ADDRESSES]) See "Sending mail" in Mail::Transport::Send $obj->putContent(MESSAGE, FILEHANDLE, OPTIONS) See "Sending mail" in Mail::Transport::Send $obj->send(MESSAGE, OPTIONS) See "Sending mail" in Mail::Transport::Send $obj->trySend(MESSAGE, OPTIONS) Server connection $obj->findBinary(NAME [, DIRECTORIES]) See "Server connection" in Mail::Transport $obj->remoteHost() See "Server connection" in Mail::Transport $obj->retry() See "Server connection" in Mail::Transport Error handling $obj->AUTOLOAD() See "Error handling" in Mail::Reporter $obj->addReport(OBJECT) See "Error handling" in Mail::Reporter $obj->defaultTrace([LEVEL]|[LOGLEVEL, TRACELEVEL]|[LEVEL, CALLBACK]) Mail::Transport::Mailx->defaultTrace([LEVEL]|[LOGLEVEL, TRACELEVEL]|[LEVEL, CALLBACK]) See "Error handling" in Mail::Reporter $obj->errors() See "Error handling" in Mail::Reporter $obj->log([LEVEL [,STRINGS]]) Mail::Transport::Mailx->log([LEVEL [,STRINGS]]) See "Error handling" in Mail::Reporter $obj->logPriority(LEVEL) Mail::Transport::Mailx->logPriority(LEVEL) See "Error handling" in Mail::Reporter $obj->logSettings() See "Error handling" in Mail::Reporter $obj->notImplemented() See "Error handling" in Mail::Reporter $obj->report([LEVEL]) See "Error handling" in Mail::Reporter $obj->reportAll([LEVEL]) See "Error handling" in Mail::Reporter $obj->trace([LEVEL]) See "Error handling" in Mail::Reporter $obj->warnings() See "Error handling" in Mail::Reporter Cleanup $obj->DESTROY() See "Cleanup" in Mail::Reporter $obj->inGlobalDestruction() See "Cleanup" in Mail::Reporter DIAGNOSTICS
Warning: Message has no destination It was not possible to figure-out where the message is intended to go to. Error: Package $package does not implement $method. Fatal error: the specific package (or one of its superclasses) does not implement this method where it should. This message means that some other related classes do implement this method however the class at hand does not. Probably you should investigate this and probably inform the author of the package. Warning: Resent group does not specify a destination The message which is sent is the result of a bounce (for instance created with Mail::Message::bounce()), and therefore starts with a "Received" header field. With the "bounce", the new destination(s) of the message are given, which should be included as "Resent-To", "Resent-Cc", and "Resent-Bcc". The "To", "Cc", and "Bcc" header information is only used if no "Received" was found. That seems to be the best explanation of the RFC. As alternative, you may also specify the "to" option to some of the senders (for instance Mail::Transport::SMTP::send(to) to overrule any information found in the message itself about the destination. Error: Sending via mailx mailer $program failed: $! ($?) Mailx (in some shape: there are many different implementations) did start accepting messages, but did not succeed sending it. SEE ALSO
This module is part of Mail-Box distribution version 2.105, built on May 07, 2012. Website: http://perl.overmeer.net/mailbox/ LICENSE
Copyrights 2001-2012 by [Mark Overmeer]. For other contributors see ChangeLog. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. See http://www.perl.com/perl/misc/Artistic.html perl v5.14.2 2012-05-07 Mail::Transport::Mailx(3pm)

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