Getting a lot of 'Postmaster' returned emails...

[Michele Neylon :: Blacknight Solutions]

> As a follow-up question to this one. What is the current best
> practice for rejecting invalid addresses? To you send them to
> /dev/null or something more clever than that?
>
> We purposely accept all inbound email so as to not show
> valid/invalid addresses to spammers on attempted sends (to
> avoid harvesting). A second server scans for content and validates
> the addresses.
>
> Comments and tricks are appreciated.

We reject them if there is no "catchall" in place. If the sending IP or
address/domain is a repeat offender (ie. Infected host) we drop the IP etc.,
at the MTA level. Of course this would be in the case of them attracting our
attention

M




Mr Michele Neylon
Blacknight Internet Solutions Ltd
http://www.blacknight.ie/
Tel. +353 59 9137101

-------------------------- MailScanner list ----------------------
To leave, send    leave mailscanner    to jiscmail at jiscmail.ac.uk
Before posting, please see the Most Asked Questions at
http://www.mailscanner.biz/maq/     and the archives at
http://www.jiscmail.ac.uk/lists/mailscanner.html
-------------- next part --------------
A non-text attachment was scrubbed...
Name: smime.p7s
Type: application/x-pkcs7-signature
Size: 4203 bytes
Desc: not available
Url : http://lists.mailscanner.info/pipermail/mailscanner/attachments/20040629/6eefabb2/smime.bin