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Do SMTP servers track the email addresses they've sent to? If so, how do I get the list?

I've got a Facebook app that sends confirmation emails whenever a user successfully registers and adds that user to the database.

The table got accidentally emptied and I'd like to recover who the app has sent the confirmation emails to.

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migrated from Oct 20 '11 at 11:45

This question came from our site for professional and enthusiast programmers.

This is why one does backup copies of the database :-) – Paŭlo Ebermann Oct 19 '11 at 15:42
up vote 1 down vote accepted

Most MTAs have a log file which includes this information, but it is typically not saved for more than a few weeks or months. On Linux look in /var/log, on other systems read the MTA's documentation, or add information to your question.

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