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ryanjenkins3421's profile



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Sat, Jul 4, 2015 8:49 PM

AT&T blocking

I just hooked up U-verse and can't send e-mail using Gmail from my computer when I'm at home.  (Works fine when I take my laptop somewhere else.)  Connecting to Gmail IMAP is fine, and iCloud SMTP and IMAP and Exchange server too.  So it's a problem specific to Gmail SMTP, and, again, this problem only occurs when I am on my home network.


When I do a traceroute, here's what I find:


traceroute to (, 64 hops max, 52 byte packets

 1 (  1.370 ms  1.485 ms  1.692 ms

 2 (...)  7.508 ms  19.939 ms  18.630 ms

 3 (  13.810 ms  4.272 ms  4.179 ms

 4 (  18.631 ms  27.074 ms (  37.011 ms

 5 (  8.288 ms  13.773 ms  11.613 ms

 6  * * *

 7  * * *

and so on.  Same with ports 993, 465, and 587.  Whois tells me that is an IP address owned by AT&T, so it looks like my outbound gmail is being blocked by an AT&T machine somewhere!
I just spent 75 minutes on the phone with (800) 288-2020 and discussed the problem in detail with 6 different people.  Each of them wanted me to pay $15/month for phone support or had never heard of traceroute, or both.  How can I get a hold of someone at AT&T to address this problem with their network?
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