# must not contain invalid characters, brakets or multiple @'s
[\W\D!%#:\*\^]
[\(\)]
[\{\}]
@.*@
But i�m still able to have a blank rcpt to:
Have ensured that qmail-send is replaced with the patched version.
;-Peter
Peter Nilsson writes:
First i had an error with the qregex patch...found the error, it was a earlier patch that created the problem, thanks:
It was a (mfcheck) from Nagy Balazs that created the problem
Now the problem is solved and my server is safe again.... :-)
;-Peter
Eero Volotinen writes:
It is possible to telnet to a qmail server and do this:
helo
mail from:[EMAIL PROTECTED]
rcpt to:
data
he he here is a delivery failure...you will be flooded with this
.
Se this enable an attacker to use your qmail server to create a flood of
delivery failures to the adresse given in mail from:....could be a person
you dont like.
How do I disable this? anyone have a solution?
If it can be disable, then i have to skip qmail (to risky to use then)
Other mailservers don�t accept a blank rcpt to:
This is not qmailadmin related, but I still help you.
You can use this patch http://www.unixpimps.org/software/qregex/
--
Eero
