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khockin

join:2012-12-05
L7K 4M2

Does AT&T Southwest filter outbound port 25?

I'm wondering if AT&T southwest filters outbound port 25?

Specifically I am wondering if you can reach the following 2 IP's on port 25

216.55.149.53 Port 25
198.171.239.253 Port 25

I appreciate anyone who can answer this as I am getting conflicting reports.


naelme

join:2012-12-06
Baton Rouge, LA

no.
yes.

no ports are blocked or filtered.


kar98

join:2004-04-29
Longview, TX
reply to khockin

Yes, ATT SW does block port 25 (SMTP) to stop infected machines from sending out thousands of e-mail. A simple call to customer service to get it unblocked will fix this.