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troubleshooting Question

Cannot send mail after applying 2003 SP1...

Avatar of jasonfarmer
jasonfarmer asked on
ExchangeWindows Server 2003
11 Comments1 Solution211 ViewsLast Modified:
after applying windows 2003 sp1 and exchange 2003 sp1 (for DST) i can no longer send from a 3rd party app that uses my exchange server as the smtp server. when i telnet to port 25 from a PC, i cant connect. on the exchange server, i can connect when i telnet. from what i read it is likely from the Security Configuration wizard.

help...