JSI Tip 5666. The Windows 2000 Simple Mail Transfer Protocol (SMTP) service may leak memory?

when use use the Pickup folder to send a lot of mail, the SMTP service may leak memory.

Memory is allocated for a domain entry but is NOT released after the message is sent.

As of Service Pack 3 (SP3), this problem has NOT been resolved.

You can attempt to free this memory by scheduling a batch file to run daily:

@echo off
net stop smtpsvc
net start smtpsvc

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