Yep, different hosts and/or IPs is the solution. Currently I am looking into smtpd_discard_ehlo_keyword_address_maps to enable it for only particular sets of IP addresses.
Thanks again, b. On 11 August 2011 15:11, /dev/rob0 <r...@gmx.co.uk> wrote: > On Thu, Aug 11, 2011 at 09:00:53AM -0400, Brian Evans - Postfix List > wrote: >> On 8/11/2011 8:56 AM, Bostjan Skufca wrote: >> > Something like this: >> > smtpd_discard_ehlo_keywords = silent-discard, etrn, dsn >> > smtpd_discard_ehlo_keywords_auth = silent-discard, etrn >> > >> > Not sure if SMTP protocol would support it though... >> > >> One problem with this, AUTH happens AFTER EHLO. >> So it becomes an out of sequence for the protocol. Therefore, >> not possible. > > Right. The workaround is to separate your submission from your MX > mail. This can be done within a single instance using a different > port (587 has been set aside for that purpose) or IP address; or if > greater distinctions are desired, such as a different content_filter > or header_checks(5), another instance might be best. > -- > Offlist mail to this address is discarded unless > "/dev/rob0" or "not-spam" is in Subject: header >
