What does the Outlook email message "503 5.7.1 Relaying not allow.

B

Becabica

Sometimes when I send an email, I get this message. Other emails (especially
replies) seem to go out no problem. I knowit is not the email addresses
because I can send them just fine on another computer.
 
V

Vanguard

Becabica said:
Sometimes when I send an email, I get this message. Other emails
(especially
replies) seem to go out no problem. I knowit is not the email
addresses
because I can send them just fine on another computer.
Click to expand...


Are you authenticating to your SMTP mail server (for outbound messages)?
 
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