Hi Eric, on Thursday, 2006-01-12 at 14:35:52, you wrote: > Yup, it's Kmail. What setup do you use for sending mail? Some ISPs have > configs that block port 25 from being used for third party servers. Could be > they put in a port blocker recently, and you're just one of the few people > who are having problems with it.
That would be my guess as well, I had this problem before. I think it
was that I invented a domainname for the machine that only had a dialup
connection anyway, and that was what it sent in the SMTP HELO. Somebody
at the ISP's thought refusing "aliens" in the HELO phase was a good
idea against spam but they didn't tell the support people about it so
they insisted that nothing was changed. tcpdump helped.
cheers!
Matthias
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