Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread frantisek holop
hmm, on Wed, Mar 25, 2009 at 10:05:09AM -0700, Brian Keefer said that > On Mar 25, 2009, at 9:41 AM, frantisek holop wrote: >> >> of course its true downside (just like greyfiltering's) is that it >> needs a considerable amount of babysitting. but it's worth it for me. > > So basically, it's not r

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread Brian Keefer
On Mar 25, 2009, at 9:41 AM, frantisek holop wrote: of course its true downside (just like greyfiltering's) is that it needs a considerable amount of babysitting. but it's worth it for me. So basically, it's not reliable and any "work saved" from the MTA is doubled by humans. You're failin

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread frantisek holop
hmm, on Wed, Mar 25, 2009 at 08:27:03AM -0700, Brian Keefer said that > The amount of connections rejected by those settings will be pretty > small as a percentage, and it's not even close to "reliable sign of i forgot to add: YMMV. those postfix settings have for the current week rejected 690

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread frantisek holop
hmm, on Wed, Mar 25, 2009 at 09:16:53AM -0300, Jose Fragoso said that > If a host is responsible for sending outgoing messages from multiple > domains, should it always use the same HELO command (ie. the same > hostname) or could it use a different HELO command when sending > mail from different do

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread Brian Keefer
On Mar 25, 2009, at 8:14 AM, frantisek holop wrote: hmm, on Wed, Mar 25, 2009 at 03:40:09PM +0100, Gilles Chehade said that Are you sure ? just because you demonstrated a smtp session with a questionably set up mail server it doesn't mean you are right. sendmail by default does not check he

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread frantisek holop
hmm, on Wed, Mar 25, 2009 at 03:40:09PM +0100, Gilles Chehade said that > Are you sure ? just because you demonstrated a smtp session with a questionably set up mail server it doesn't mean you are right. sendmail by default does not check helo. /etc/postfix/main.cf: smtpd_helo_required = yes s

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread L. V. Lammert
On Wed, 25 Mar 2009, Paul de Weerd wrote: > The RFC specifically states what to do if you do not have proper > reverse mapping records (4.1.1.1 of rfc2821). It may not be best > practice today, but your remark is utter BS. > Partially true, .. an EHLO may be used for further validation, but that w

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread frantisek holop
hmm, on Wed, Mar 25, 2009 at 09:22:30AM -0500, L. V. Lammert said that > On Wed, 25 Mar 2009, Jose Fragoso wrote: > > > Hi, > > > > If a host is responsible for sending outgoing messages from multiple > > domains, should it always use the same HELO command (ie. the same > > hostname) or could it u

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread Gilles Chehade
L. V. Lammert a icrit : On Wed, 25 Mar 2009, Jose Fragoso wrote: Hi, If a host is responsible for sending outgoing messages from multiple domains, should it always use the same HELO command (ie. the same hostname) or could it use a different HELO command when sending mail from different dom

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread Paul de Weerd
On Wed, Mar 25, 2009 at 09:22:30AM -0500, L. V. Lammert wrote: | On Wed, 25 Mar 2009, Jose Fragoso wrote: | | > Hi, | > | > If a host is responsible for sending outgoing messages from multiple | > domains, should it always use the same HELO command (ie. the same | > hostname) or could it use a dif

Re: correct HELO behaviour in SMTP connections

2009-03-25 Thread L. V. Lammert
On Wed, 25 Mar 2009, Jose Fragoso wrote: > Hi, > > If a host is responsible for sending outgoing messages from multiple > domains, should it always use the same HELO command (ie. the same > hostname) or could it use a different HELO command when sending > mail from different domains? > > Thanks fo

correct HELO behaviour in SMTP connections

2009-03-25 Thread Jose Fragoso
Hi, If a host is responsible for sending outgoing messages from multiple domains, should it always use the same HELO command (ie. the same hostname) or could it use a different HELO command when sending mail from different domains? Thanks for your help. Regards, Jose. -- Be Yourself @ mail.com