Which hack is best for stopping mails to faield emails ?

[mrahul]

which is the best hack to use, for stopping the mail to send emails to an email address, which fails to send (may be wrong email or overloaded or any other reason)

I tried to do a small search on it but couldn't conclude .

[snakes1100]

Edited,

Try this https://vborg.vbsupport.ru/showthread.php?t=138884&highlight=failed+email