So like others here sending emails failed sometime last week. I've been poking around trying to get something working and finally got something to work. I don't know if this will work for you or if it does work how long it will last.
What did I do? I put the IP address in place of the server name.
In my case I was using smtp-server.roadrunner.com, that name resolves to 126.96.36.199 so I put that in for the server name.
I'm using Thunderbird so my current setting are:
server name: 188.8.131.52
connection security: none
Authentication method: no authentication
How did I get that IP address? I pinged it, like this:
On windows machines hit the windows key and the R key at the same time
A run box should open up, type in "cmd" without the quotes and hit OK
A black box should open up, type in "ping smtp-server.roadrunner.com" then hit enter (no quotes and replace the smtp server with the one you use)
The "reply from 184.108.40.206" will be the IP address for your mail server.
I was just was at a customer and she was using Outlook that could no longer send so I did this and it started working. This worked on my work computer with Thunderbird but my home computer seems to still have issues.
If nothing works you could try a free smtp service, there are many online. That way you totally bypass Spectrum/RR/Timewarner for sending email.
I fixed my outgoing email tonight by turning off authentication for the smtp server. I'm using smtp-server.columbus.rr.com with Thunderbird. When did TWC/Spectrum/Charter changed this setting? Was out of town last week and found my outgoing mail not working when I got back. Did I miss an announcement?
NO warning, explanation, meaningful apology or estimate of time to fix!!!!
...happens over here in San Antone every 2 years or so and always involves THEIR monkeying with settings related to SMTP-587. I've been send-isolated for nearly a week now and am gonna try that fix above with Server Mail.TWC.COM in a li'l while but am not hopeful. Have exactly the same defect on 2 separate cloned WinXP machines!!
IT WORKED FOR ME & MY WINXP-Pro Machines using OE6 Client after nearly a week's send-blockage by "something" Spectrum did (and won't yet admit to)-- again, just as for 2 years ago-- having to do with sub-procedures used to recognize valid send-outs via SMPT-587!!! It wasn't just as simple as unchecking a box-- as per last time 2 years ago-- under the "587" Box, but I hope I can remember how to undo or redo everything next time they do this to us... and expect us to sit there and take it up the... while we keep sending in full payments for fully subscribed service!
HERE is what I did to Outlook Express 6, bearing in mind that I did considerable monkeying with the E-Account settings on one computer but nothing on the other:
These are variations of what I had to do last time TWC started screwing with it server-settings under the table. Try 'em out for yourselves. My own research seems to disclose a higher level of immunity among Thunderbird users. I'd make the switch myself, but I'm too old/lazy to learn anything beyond the original E-Client I've always managed to get by with....
Good luck & PASS THE WORD!!