Peelman, Nick wrote on Tue, Feb 19, 2013 at 13:59:59 -0500: > Using both sendmail and an internal SMTP server (postfix), neither the > date nor message ID would get inserted; that said, the foreign MTA > would spawn a message-ID and a date. >
OK. Fair enough. I'm convinced that these headers should be added. THanks, Daniel > However: > > As per RFC2822, the Date field is one of only two required fields for a valid > message; relying on the MTA to inject one is not the "proper" way to go about > it. > > Also, SPAM filters also look for these items and consider the lack of them as > signs of fraudulent messages. This was my trigger in making the patch on our > local copy of the script, as the instance of StarScan running on the foreign > MTA was flagging a point and half for each missing header (at the current > settings of the MTA in question, it takes 7 points for a message to be > discounted). Adding those headers creates a fully valid message and results > in zero spam points. > > -nick > > -- > Peelman, Nick > n...@peelman.us > > > > > On Feb 19, 2013, at 13:15, Daniel Shahaf <d...@daniel.shahaf.name> wrote: > > > Peelman, Nick wrote on Tue, Feb 19, 2013 at 13:13:28 -0500: > >> Adds a Date header and a Message-ID with the revision property embedded at > >> the end. > > > > Why is this necessary? Can you describe a setup in which Date or > > Message-ID are not added? (I assume usually the MTA would add them if > > they're missing...?) >
