SMTP Error 550 relay not permitted
Posted: Sun Oct 23, 2022 7:18 pm
When I send letters to external mailboxes, I receive a response letter with an error.
host gmail-smtp-in.l.google.com [64.233.162.26]
SMTP error from remote mail server after RCPT TO:<******@gmail.com>:
550 relay not permitted
host gmail-smtp-in.l.google.com [64.233.162.26]
SMTP error from remote mail server after RCPT TO:<******@gmail.com>:
550 relay not permitted