SMTP Error (550): Failed to set sender "[email protected]" (Access denied - Invalid HELO name (See RFC2821 4.1.3)).
Posted: Tue Jan 12, 2021 11:16 am
Hallo,
I have this error
SMTP Error (550): Failed to set sender "[email protected]" (Access denied - Invalid HELO name (See RFC2821 4.1.3)).
I tried this https://forum.vestacp.com/viewtopic.php?t=5408
..but did NOT worked
Any Help?
I have this error
SMTP Error (550): Failed to set sender "[email protected]" (Access denied - Invalid HELO name (See RFC2821 4.1.3)).
I tried this https://forum.vestacp.com/viewtopic.php?t=5408
..but did NOT worked
Any Help?