RE: Receiver (To/CC envelope fields) addresses verification against LDAP/Active Directory in sendmail

2007-04-07 Thread Warren Block
On Sat, 7 Apr 2007, Christopher Martin wrote: I guess I could white-list out all of sales' and senior management's addresses. The scenario where sales and senior management get all their spam with no delay and everyone else gets the benefit of greylisting sounds pretty much ideal. Incidenta

RE: Receiver (To/CC envelope fields) addresses verification against LDAP/Active Directory in sendmail

2007-04-07 Thread Christopher Martin
> -Original Message- > From: Chuck Swiger [mailto:[EMAIL PROTECTED] > Sent: Saturday, 7 April 2007 12:44 AM > > You don't seem to mention using greylisting-- that will return a 4xx temp > failure for all initial connections (except from sites which have been > whitelisted). Only if the se

RE: Receiver (To/CC envelope fields) addresses verification against LDAP/Active Directory in sendmail

2007-04-07 Thread Christopher Martin
> -Original Message- > From: Mikhail Goriachev [mailto:[EMAIL PROTECTED] > Sent: Saturday, 7 April 2007 3:23 PM > > > You could use /usr/ports/mail/mimedefang (www.mimedefang.org) miltered > into your sendmail. Sorta like py-milter but in perl. The simplest, > quickest and dirtiest solut

Re: Receiver (To/CC envelope fields) addresses verification against LDAP/Active Directory in sendmail

2007-04-06 Thread Mikhail Goriachev
Christopher Martin wrote: > Spam with randomly generated recipient addresses is draining our mail > system's life away, and it seems the easiest way would be to verify the > receiving party's/parties' address against Active Directory and then > TEMPFAIL any mails that don't have any valid internal

Re: Receiver (To/CC envelope fields) addresses verification against LDAP/Active Directory in sendmail

2007-04-06 Thread Chuck Swiger
Christopher Martin wrote: Spam with randomly generated recipient addresses is draining our mail system's life away, and it seems the easiest way would be to verify the receiving party's/parties' address against Active Directory and then TEMPFAIL any mails that don't have any valid internal mails

Receiver (To/CC envelope fields) addresses verification against LDAP/Active Directory in sendmail

2007-04-06 Thread Christopher Martin
Spam with randomly generated recipient addresses is draining our mail system's life away, and it seems the easiest way would be to verify the receiving party's/parties' address against Active Directory and then TEMPFAIL any mails that don't have any valid internal mails (rejects would allow directo