BEJY Messageboard > Bug Reports and Fixes > Possible SMTP ping-pong when auto response is enabled |
Possible SMTP ping-pong when auto response is enabled | |||||||
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Posts: 2 Whimp 14.Mar.2006 10.29.16 TZ+01:00 |
how to reproduce: 1) configure an auto response (absense notification) for a mail account in bejy 2) spammer sends a mail to this account with invalid sender address (user part invalid, domain valid) 3) bejy sends sends an auto response to the wrong sender (i.e. microsoft.com) 4) postmaster@microsoft.com bounces this mail as undeliverable back to bejy 5) bejy sends the next auto response for the bounced mail 6) back to 4) Possible solutions: - bejy should count the sent auto responses per sender - auto responses should not be sent if sender is postmaster - ... | ||||||
Bebbo Posts: 18 Beginner 14.Mar.2006 17.13.46 TZ+01:00 |
I guess this would require to much state information.
Could be easily implemented. But
Preferred solution is to enable the "validateSender" option, to avoid incoming mails from invalid mail accounts. ... more soon... Bebbo |