Достаточно баунсы в /dev/null отправить. Бо проверять на лету не всегда получается, было такое в прошлой конторе: мыло оутсорсено на гмыл, а релей на продакшене. Отдавать mx на гмыл шеф не хотел ни в какую...
"If an SMTP server has accepted the task of relaying the mail and later finds that the destination is incorrect or that the mail cannot be delivered for some other reason, then it MUST construct an "undeliverable mail" notification message and send it to the originator of the undeliverable mail (as indicated by the reverse- path)."
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Re: а что ужасного?
Re: а что ужасного?
"If an SMTP server has accepted the task of relaying the mail and
later finds that the destination is incorrect or that the mail cannot
be delivered for some other reason, then it MUST construct an
"undeliverable mail" notification message and send it to the
originator of the undeliverable mail (as indicated by the reverse-
path)."
Re: а что ужасного?