manabob

4 ms·

1. 1.▲
   Amberloom: All-in-one website checker(amberloom.com)

   5 points by manabob 10y ago|0 comments
2. 2.▲
   Bulk Email Verifier – Cheap Mailing List Cleaner(bulk-email-verifier.biz)

   2 points by manabob 11y ago|0 comments
3. 3.▲
   by manabob 12y ago

   According to http://www.greenend.org.uk/rjk/tech/smtpreplies.html , SMTP server can give you either a temporary error (452 - Requested action not taken: insufficient system storage) or permanent error (552 - Reques