Re: qmail accepting mails for unknown rcpt to (fwd)
At 01:43 AM 7/16/00 -0400, [EMAIL PROTECTED] wrote: is there any way by which i can tell qmail to first check for that UID in LDAP directory server before accepting mails ?? I think it is the right behaviour, otherwise, spammer can collect valid username at your server, for example by using command EXPN or VRFY, right ? And you don't want this to be happened right ?
Re: qmail accepting mails for unknown rcpt to (fwd)
qmail doesn't do VRFY/EXPN. It just says: eric@dream:~ telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 mail.erictech.com ESMTP VRFY 252 send some mail, i'll try my best Irwan Hadi wrote: At 01:43 AM 7/16/00 -0400, [EMAIL PROTECTED] wrote: is there any way by which i can tell qmail to first check for that UID in LDAP directory server before accepting mails ?? I think it is the right behaviour, otherwise, spammer can collect valid username at your server, for example by using command EXPN or VRFY, right ? And you don't want this to be happened right ?
Re: qmail accepting mails for unknown rcpt to (fwd)
At 11:42 PM 7/15/00 -0700, Eric Cox wrote: qmail doesn't do VRFY/EXPN. It just says: eric@dream:~ telnet localhost 25 Trying 127.0.0.1... Connected to localhost. Escape character is '^]'. 220 mail.erictech.com ESMTP VRFY 252 send some mail, i'll try my best As I have said before, this is the "right" behaviour.
qmail accepting mails for unknown rcpt to (fwd)
-- Forwarded message -- From: [EMAIL PROTECTED] Date: Sat, 15 Jul 2000 12:08:17 AST Subject: qmail accepting mails for unknown rcpt to i have installed qmail with qmail-ldap-latest.patch on RedHat linux 6.1 , its working fine accept one problems qmail server is accepting mails for unknown users, users who do not exists on my mail server ( users whose entries r not there in my LDAP directory server ) then qmail used to bounce those messages sent to [EMAIL PROTECTED] , so if some one send a mail of 10 MB to some unknow users or may be bcoz some typographical error then qmail will accept this 10 MB of mail then it will bounce this 10 Mb of mail to orginal sender , o.k i can use qmail-bounce.patch to truncate bounce messages from qmail server , but i cant understand why to accept mail for unknow users ( just to bounce ??) is there any way by which i can tell qmail to first check for that UID in LDAP directory server before accepting mails ?? please guide me , i badly need guidence of u guys Thanbks Regards Prashant Desai
