I believe that unless you change the default, it should be port 25 regardless of whether it's using TLS or not.
________________________________ From: McCready, Robert [mailto:[EMAIL PROTECTED] Sent: Wednesday, March 19, 2008 1:05 PM To: MS-Exchange Admin Issues Subject: Exchange 2007 TLS Encryption Can somebody tell me what port Exchange 2007 uses for TLS encryption to talk between two different domains??? Does it just use SMTP port 25 or something else? Thanks. Robert ************************************************************************************************** Note: The information contained in this message may be privileged and confidential and protected from disclosure. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any dissemination, distribution or copying of this communication is strictly prohibited. If you have received this communication in error, please notify us immediately by replying to the message and deleting it from your computer. ************************************************************************************************** ~ Ninja Email Security with Cloudmark Spam Engine Gets Image Spam ~ ~ http://www.sunbeltsoftware.com/Ninja ~