I like Nokia E-series phones. I started out with the E61, then got an E71. The Nokia phones support IMAP natively, including IDLE support (which means I’m notified as soon as a message arrives) and multiple account support. The only major omission is the ability to move messages between folders.
When I set up my E61, everything worked fine. While I use my phone to read mail most days, I rarely want to send email, so I’m not sure when it stopped working. I wanted to send a test message yesterday, though, and had to resort to logging in using SSH and sending the message on the command line. It was at this point that I realised that 3 have started blocking port 25 (now that I think about it, they probably started blocking port 25 at the same time as they unblocked port 22).
Anyway, having realised port 25 was blocked, the obvious thing to try was port 465, which is the port for SMTP-over-SSL. This port is usually only available for authenticated users, so it’s not opening a vulnerability for spammers to exploit. Unfortunately, when I tried it, it didn’t work. Lessons for today:
- Connecting to services rarely works when they aren’t running.
- While connecting from localhost may then work, connecting from a remote device only works once the firewall access rules have been set up.
All working again now.
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