Mails bounce - "Connection refused"

[Marcel Meissel]

I have a strange problem. I thought my setup works and have been using kolab as outgoing mailserver for 2 weeks no.

But now several mails bounced. All mails that go out to "t-online.de" (and also 1 or 2 other domains). Other Mail-addresses work!

- What could be the problem / solution?

Thanks,  Marcel


This is the reply:

"This is the Postfix program at host mykolab.domain.tld

I'm sorry to have to inform you that your message could not be
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to <postmaster>If you do so, please include this problem report. You can
delete your own text from the attached returned message.

			The Postfix program

<samplemail at t-online.de>: connect to mailin02.sul.t-online.de[194.25.134.9]:
    Connection refused"



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