I cannot send email messages but get a server error 554 saying transaction failed message not sent because of possible abuse?

22. October 2012 · Write a comment · Categories: livemail · Tags: , , , , , , , ,

This is the message I'm getting, can someone help me. Email was working fine 5 hours ago. But not now!!!

An unknown error has occurred.


Server Error: 554
Server Response: 554 Transaction failed : Cannot send message due to possible abuse; please visit http://postmaster.yahoo.com/abuse_smtp.html for more information
Server: 'mail.btinternet.com'
Windows Live Mail Error ID: 0x800CCC6F
Protocol: SMTP
Port: 25
Secure(SSL): No

Cant send messages An unknown error has occurred. Server error 554. Comcast has checked pop and smtp settings.

29. June 2012 · Write a comment · Categories: livemail · Tags: , , , , , , , , ,

An unknown error has occurred.

Subject 'test'
Server Error: 554
Server Response: 554 omta02.westchester.pa.mail.comcast.net comcast Port 25 not allowed - http://customer.comcast.com/help-and-support/internet/email-client-programs-with-xfinity-email/
Server: 'smtp.comcast.net'
Windows Live Mail Error ID: 0x800CCC6F
Protocol: SMTP
Port: 25
Secure(SSL): No