Re: Message reject based on absense of a header(s)

2014-02-18 Thread Michael J Wise
On Feb 18, 2014, at 2:57 PM, Wietse Venema wrote: > Noel Jones: >> A few years ago I tried rejecting messages with no Message-ID. Much >> to my surprise, there were far more false-positives than actual spam >> rejected. I doubt the situation has changed much since then, but YMMV. > > That was m

Re: Message reject based on absense of a header(s)

2014-02-18 Thread Wietse Venema
Noel Jones: > A few years ago I tried rejecting messages with no Message-ID. Much > to my surprise, there were far more false-positives than actual spam > rejected. I doubt the situation has changed much since then, but YMMV. That was my experience, too. There was enough legitimate mail without M

Re: Message reject based on absense of a header(s)

2014-02-18 Thread Noel Jones
On 2/18/2014 3:41 PM, Andreas Schulze wrote: > > Noel Jones: > >> To detect missing headers you'll need a content filter such as >> SpamAssassin. > > opendmarc-milter implement a test to verify RFC5322-required headers > (RFC5322 3.6) > The feature is new, available in the 1.2.0 Beta only. > (ht

Re: Message reject based on absense of a header(s)

2014-02-18 Thread Andreas Schulze
Noel Jones: To detect missing headers you'll need a content filter such as SpamAssassin. opendmarc-milter implement a test to verify RFC5322-required headers (RFC5322 3.6) The feature is new, available in the 1.2.0 Beta only. (https://sourceforge.net/projects/opendmarc/files/Pre-Releases/)

Re: Message reject based on absense of a header(s)

2014-02-18 Thread Andrey Repin
Greetings, postfix users! >> I'd like to reject messages without some headers (say, Date: or >> Message-ID:). >> As far as I understand, headers-checks and body-checks could be done >> as described at http://www.postfix.org/BACKSCATTER_README.html >> >> The only question I could not find answer t

Re: Message reject based on absense of a header(s)

2014-02-18 Thread Noel Jones
On 2/18/2014 10:54 AM, Vladimir Kozlov wrote: > I'd like to reject messages without some headers (say, Date: or > Message-ID:). > As far as I understand, headers-checks and body-checks could be done > as described at http://www.postfix.org/BACKSCATTER_README.html > > The only question I could not