Re: EHLO/HELO [was blacklists]

2004-12-10 Thread Russell Coker
On Friday 10 December 2004 00:39, Mark Bucciarelli [EMAIL PROTECTED] wrote: I've recently turned on EHLO/HELO validation and am encouraged by how effective it is. WIth RBL's (spamcop and dnsbl) and SpamAssassin 3, only 88% of spam was stopped. So far, it's 100%. (This is a _very_ small

Re: EHLO/HELO [was blacklists]

2004-12-10 Thread Craig Sanders
On Fri, Dec 10, 2004 at 11:08:53PM +1100, Russell Coker wrote: I tried out reject_unknown_hostname but had to turn it off, too many machines had unknown hostnames. For example a zone foo.com has a SMTP server named postfix1 and puts postfix1.foo.com in the EHLO command but has an external DNS

Re: EHLO/HELO [was blacklists]

2004-12-10 Thread Mark Bucciarelli
[CC'ing Bill Taroli who has been helping me with this on courier-user] On Friday 10 December 2004 07:08, Russell Coker wrote: On Friday 10 December 2004 00:39, Mark Bucciarelli [EMAIL PROTECTED] wrote: I've recently turned on EHLO/HELO validation and am encouraged by how effective it is.

Re: EHLO/HELO [was blacklists]

2004-12-10 Thread Mark Bucciarelli
On Friday 10 December 2004 09:36, Mark Bucciarelli wrote: (1) If SPF HELO checking is on and lookup matches connecting IP -- PASS [..] Otherwise, return 517 HELO $hostname does not match $remote-ip Sorry to reply to myself, but this sequence is more complicated if SPF checking is turned on

EHLO/HELO [was blacklists]

2004-12-09 Thread Mark Bucciarelli
On Tuesday 07 December 2004 17:55, Michael Loftis wrote: --On Wednesday, December 08, 2004 08:47 +1100 Craig Sanders [EMAIL PROTECTED] wrote: Now I reject by 554 code... should I change to 4xx? if it suits your needs. i wouldn't. I have to agree with that statement. For us it suits