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Gmail SMTP Timeouts (Feb 09)

There appears to be something going on with Gmail’s SMTP ports since the issues they had at the start of the week. How does Gmail going down make BBC Lunch time news?
Ref: Blogoscoped forum article
This link solved the problem for me. Some GMail help articles state you should use port 25 or 465. As previously discussed O2/Be broadband in the UK doesn’t let you use Port 25 for anything other than O2 Email. I was using 465 which is Secure SMTP (with SSL). However, GMail now (appears to) require port 587: Message Submission (with TLS).

Peasy.

— update
Experiment with turning off your SSL setting as well!

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accessibility blog

O2/Be Broadband SMTP Restrictions

O2 Broadband (the Telefonica rebranding of Be Broadband) has a restriction on its SMTP ports, the only port-25 connection you can use is for the smtp.o2.co.uk server for o2 mail. If you want to use your own email provider such as Google Mail you have to use a different port, so for example use the SSL port 587 for Gmail connections.

Hope that helps someone!