Can't send e-mails to hotmail-accounts!
Dear volunteers,
Since a few days I can't send e-mails anymore from my Thunderbird account to hotmail-users. Everytime I receive a "mail delivery failed" notice. Can you help me?
All Replies (2)
And the reason in the failure is? Perhaps you could post the exact text?
Thank you for your message!
This is the exact text of one of the failures:
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This message was created automatically by mail delivery software.
A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed:
....@hotmail.com SMTP error from remote mail server after MAIL FROM:<info@.....nl> SIZE=15974: host mx4.hotmail.com [65.54.188.94]: 550 SC-001 (BAY004-MC2F50) Unfortunately, messages from 159.253.7.10 weren't sent. Please contact your Internet service provider since part of their network is on our block list. You can also refer your provider to http://mail.live.com/mail/troubleshooting.aspx#errors.