Best practices for resending to hard bounced emails after X days

Posted by Vivian Hsu on Stack Overflow See other posts from Stack Overflow or by Vivian Hsu
Published on 2010-03-12T09:13:41Z Indexed on 2010/03/12 9:17 UTC
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hard

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bounce

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purge

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email

If I see an email returned due to a hard bounce, after how many days is it acceptable to resend to that email address. It is possible for emails to be reactivated or for temporary outages, so it doesn't make sense to keep an email in my hard bounce email list forever. I've already seen cases where I receive emails from addresses that were put in my hard bounce email list months ago.

Any recommendations? Are there specific recommendations from ISPs?

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