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Full Discussion: PHP piping mail to sendmail quickly
Top Forums UNIX for Dummies Questions & Answers PHP piping mail to sendmail quickly Post 101704 by fearlessmind on Saturday 11th of March 2006 12:30:06 PM
Old 03-11-2006
PHP piping mail to sendmail quickly
In order to prevent any php processes on our web server from waiting
for sendmail hangups (name resolution issues, etc), we wrap sendmail
in a simple shell script and push it to the background and disown the
process so that any php script on our site can continue on processing
code and not have to wait for sendmail to return.

So, in php.ini we have the following setting:

sendmail_path = "/usr/local/bin/phpsendmail.sh -t -i"

and in phpsendmail.sh we have the following:

#!/bin/bash
cat /dev/stdin | /usr/bin/sendmail "$@" &


The problem we are encountering is that it seems to take quite a while
(in computer time) for a lengthy (50K) text email to actually get
piped into sendmail this way. When a script pushes out 20 emails of
this size, we are seeing it take approximately 20-25 seconds. We have
some background processes that send need to send batched email from a
database table (for immediate delivery, not queued) and we would like
to speed the process up, while still using this concept of pushing
each sendmail process out to the background. What can we do to speed
up the process of piping this information through the wrapper script
and into the sendmail process?

Thanks in advance for any advice....

GM
 

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LEARN ABOUT DEBIAN

sensible-mda

SENSIBLE-MDA(8) 					      System Manager's Manual						   SENSIBLE-MDA(8)

NAME

       sensible-mda - a generic local MDA router for Debian systems

SYNOPSIS

       sensible-mda from to detail client-addr

DESCRIPTION

       sensible-mda  is used to simplify the installation and configuration of sendmail(8) , or other MTAs for use on Debian systems.  With sensi-
       ble-mda, sendmail can support a plethora of MDAs (procmail, maildrop, deliver, etc.) without having  pick any one of them as required.

FUNCTION

       sensible-mda is called by sendmail as a local mailer when the following exists in sendmail.mc:
       define(`LOCAL_MAILER_ARGS', `sensible-mda $g $u $h ${client_addr}')dnl

       sensible-mda will look for the following MDAs (in this order), and pass the mail on to the first SUID MDA found (Or first found MDA, if run
       w/euid=root): procmail(1), maildrop(1), deliver(8), mail.local(8)

OPTIONS

       Available command line options are the following:

       from   The sender of this email (sendmail $g variable)

       to     The recipient of this email (sendmail $u variable)

       detail The detail portion of the recipient userid (sendmail $h variable) - ie:
	      cowboy+sendmail@debian.org

       client-addr
	      TCP/IP address of the sender (sendmail ${client_addr} variable) Not used (for the nonce)

FILES

       /etc/mail/sendmail.mc
	      sendmail m4 input to generate sendmail.cf

       /etc/mail/sendmail.cf
	      actual sendmail configuration file (treated as a binary file)

SEE ALSO

       sendmail(8), procmail(1), maildrop(1), deliver(8), mail.local(8)

BUGS

       None known so far.

AUTHOR

       Richard Nelson <cowboy@debian.org>

HISTORY

4th Berkeley Distribution					  October 21 1999						   SENSIBLE-MDA(8)
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