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All FAQs » SWBell DSL FAQ » 3. Cap Issues » 5247

What ports and services does SBC block? (#5247)
In the last few years SBC has implemented port 25 (SMTP) blocks in various regions of the country to try to combat Spam email. For example - SBC/Ameritech (»Ameritech - SBC FAQ »Does ameritech block any ports? (Update 08/16/2005)) - and this may extend to other areas over time.

If you feel you are being blocked you should first check your own firewalls or routers. You can then try the Telnet test found here: »Ameritech - SBC FAQ »The Telnet Test for SMTP Server Connectivity

If you find Port 25 is blocked by SBC you can follow the instructions in this document: »Ameritech - SBC FAQ »Here's what to do if port 25 is blocked for you

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by Flippant See Profile edited by Riss_Centaur See Profile
last modified: 2005-08-09 15:18:34


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