Matthew Lasar wrote:
I run pretty simple mail group distribution program that uses php/mysql
and the mail() function. I adapted it from an open source script. Most
of the time it runs well. But it does take a while to run through all
150 members of the list. So I'm half glad that I don't have a list of
1000 people or more.
Any way to optimize the mail function in terms of speed? Probably too
vague a question, sorry.
Don't use the mail function. On a unix-based system it will pass the
message directly to sendmail which will attempt to deliver the message
in realtime. When you're sending a large amount of mail that sucks.
Your best option is to switch to using a system that connects to the
SMTP server on localhost directly. That way you can dump each message on
to the local MTA quickly and then forget about it.
As an example one of the newletters I maintain has over 300,000
subscribers and the system that sends the emails (written in PHP of
course) takes less than 6 hours. The mail queue on that machine gets
very big and then it's up to the MTA to work through sending the
messages as quickly as it can (which usually takes about 28 hours).
-Stut
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http://stut.net/
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