>yesterday, i tried to use the Imail SMTP server v6.06 >in order to send 150 000 + mails
That is a lot of E-mail to be sending out at one time. >At first, sending mail, processing the queue files, was very slow ... Yes, it will be very slow. For an overview of what happens, you can go to http://www.declude.com/dq.htm . >I tried to increase the number of simultaneous processes to 60 >(with the correct parameter in the registry), >the CPU (bi proc PII 600 Mhz Xeon) was not very loaded, >however, the server did not start as many SMTP.exe >as it was specified in the registry I would double-check to make sure you added the correct setting (spelled correct, at the correct location in the registry, and the correct type (DWORD)). Also, you probably have to stop/restart the IMail SMTP service for the change to work. >Finally, as the number of messages decreased in the queue file, >the speed of the sending process increased dramatically Yes, there are two reasons for that. First, if there are over 500 or so files in a directory, all access to that directory is slower than normal. That's just a function of the operating system. Second, when most of the E-mail is gone from the queue, you have the most number of "queue run processes" in memory. While you will start off with only 1, every half hour or so there will be another one started, which speeds up delivery as time goes on. >Have you got some idea to increase the sending process There are several things that are helpful. First, try to send the E-mail in batches. Instead of sending 150,000 E-mails each to one recipient, if you send 15,000 E-mails to 10 recipients each, the mail will get out faster. Second, you might want to try our free Declude Queue, which helps out quite a bit when the mail gets backed up into the spool. The URL above has more information about Declude Queue. -Scott --- Declude: Anti-virus, Anti-spam and Anti-hijacking solutions for IMail. http://www.declude.com --- [This E-mail was scanned for viruses by Declude Virus (http://www.declude.com)] Please visit http://www.ipswitch.com/support/mailing-lists.html to be removed from this list. An Archive of this list is available at: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Please visit the Knowledge Base for answers to frequently asked questions: http://www.ipswitch.com/support/IMail/
