Hi,
Subject pretty much says it all. How to fight against
spammers who have used my users email address / alias for
sending email.
Then the bounces begin to arrive.. Most of them
will come in regular smtp-servers which aren't in any
blocklists so no help from blocklists.
What can be done to them?
The only solution that came to my mind is to temporarily
block bounces for email account / alias account when
it's receiving spam bounces. It's not a good one, and
valid bounces go unnoticed. But i think my users could
live with it. Rather than seeing many kilos of bounces
from emails that they didn't send.
This can be done in users .mailfilter but when the
email address is alias, what then? Those won't go trough
maildrop before the delivery...
For normal user something like this should do the trick?
if (length($FROM) <= 1)
{
log "Dropping Bounce for $DEFAULT"
MAILDIRQUOTA='0'
EXITCODE=0
exit
}
--
Jani Ollikainen http://iki.fi/bestis/
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