Hello, on 01/14/2008 04:15 PM Richard Lynch said the following: >>>> If you have your sendmail equivalent program properly configured, >>>> no >>>> SMTP connection is used when queueing messages using the sendmail >>>> program. >>> What about when you take into consideration this program could be >>> sending 1000's of emails, say, 100 per SMTP connection? >> That is even worse. Keep in mind that the SMTP server of sendmail or >> equivalent MTA, ends up calling the sendmail program for each >> individual >> message that it receives. > > That would be the most brain-dead SMTP server on the planet... > > Are you talking Windows or something? :-) On the contrary, you may be surprised, but this is precisely inline with Unix/Linux spirit. Small programs communicating through pipes that execute individual tasks each and then exit. Unlike Windows, forking new programs is not so expensive. Anyway, you may want to check these diagrams to learn the architecture or sendmail and qmail and verify what I am saying: http://www.sendmail.org/~ca/email/sm-X/design-2005-05-05/main/node3.html#SECTION00310000000000000000 http://www.nrg4u.com/qmail/the-big-qmail-picture-103-p1.gif -- Regards, Manuel Lemos PHP professionals looking for PHP jobs http://www.phpclasses.org/professionals/ PHP Classes - Free ready to use OOP components written in PHP http://www.phpclasses.org/ -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php