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SMTP Error (550): Failed to set sender "sameer@parveenoverseas.com" (Access denied - Invalid HELO name (See RFC2821 4.1.

Posted: Fri Apr 10, 2020 1:17 pm
by sameerkhan22398
SMTP Error (550): Failed to set sender "sameer@parveen.com" (Access denied - Invalid HELO name (See RFC2821 4.1.3)).


i got this error always while i send mail