Re: PCRE on Received Header

2017-11-09 Thread Ralph Seichter
On 09.11.17 18:44, Michael B Allen wrote: > Spam filters (and specifically appliances like Barracuda) are > /exploiting/ that trace information to exclude messages. Sure. I never mentioned this, thinking it is already clear. > So why are you quoting RFCs? I will fake timestamps, change headers >

Re: PCRE on Received Header

2017-11-09 Thread Michael B Allen
On Thu, Nov 9, 2017 at 10:09 AM, Ralph Seichter wrote: > I don't know what you mean by "protocol correct" re trace information. > In any case, https://tools.ietf.org/html/rfc5321#section-4.4 states: The RFC states that Received headers must be inserted and that they must not be altered. Spam filt

Re: PCRE on Received Header

2017-11-09 Thread Ralph Seichter
On 09.11.2017 03:04, Michael B Allen wrote: > From a spam perspective, it doesn't really matter if the message is > protocol correct. I don't know what you mean by "protocol correct" re trace information. In any case, https://tools.ietf.org/html/rfc5321#section-4.4 states: When an SMTP server

Re: PCRE on Received Header

2017-11-09 Thread Matus UHLAR - fantomas
On 08.11.17 17:45, Michael B Allen wrote: I would like to re-write the Received header on some messages being sent using ESMTPSA through my mail server. Specifically the header I would like to re-write currently looks like the following (names have been changed to protect the guilty): " Received

Re: PCRE on Received Header

2017-11-08 Thread Michael B Allen
On Wed, Nov 8, 2017 at 6:03 PM, Ralph Seichter wrote: > On 08.11.17 23:45, Michael B Allen wrote: > >> many folks are apparently removing this header entirely. That seems >> sloppy to me but if you think otherwise, please tell me about it. > > 'Received' headers are used for diagnostic purposes. I

Re: PCRE on Received Header

2017-11-08 Thread Ralph Seichter
On 08.11.17 23:45, Michael B Allen wrote: > many folks are apparently removing this header entirely. That seems > sloppy to me but if you think otherwise, please tell me about it. 'Received' headers are used for diagnostic purposes. If one chooses to discard these headers for authenticated email

PCRE on Received Header

2017-11-08 Thread Michael B Allen
Hi, I would like to re-write the Received header on some messages being sent using ESMTPSA through my mail server. Specifically the header I would like to re-write currently looks like the following (names have been changed to protect the guilty): " Received: from workstation.busihome.local (pool