I am getting error 554 error number 0x800CCC6F I can't send out e-mails
I am trying to send out a large number of newsletters via outlook express. I completed 80% of them but got to the last 5 and they will not go out. In fact I can no longer send any e-mails. I get
An unknown error has occurred. Account: 'mail.comcast.net', Server: 'smtp.comcast.net', Protocol: SMTP, Server Response: '554 omta12.emeryville.ca.mail.comcast.net comcast Message sending error. Please go to
http://help.comcast.net/content/faq/VBOB', Port: 25, Secure(SSL): No, Server Error: 554, Error Number: 0x800CCC6F
What can I do?
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#1: Servers have a limit on how many recipients you can send to at one time. You may be exceeding the limit. Try breaking it down to a few groups & contact Comcast to find out the exact number of recipients they allow.
#2: Change the SMTP port to 587 and make sure: My Server Requires Authentication is checked.