If replies seem patchy, we've just had a bunch of people - mostly Yahoo and Rogers users - auto-kicked from the list due to DMARC. This is an ongoing pain for list admins. The reason given by Yahoo is this: https://help.yahoo.com/kb/postmaster/SLN7253.html Yeah, they're advising Reply-To mungeing as an industry standard. Joy! cheers, Stewart --- Talk Mailing List talk@gtalug.org https://gtalug.org/mailman/listinfo/talk
Running a mail server for any period of time and you will be offending someone's email policy.
There are people out there who still believe that its OK to run an open relay and anybody who uses some ORBS type of service is breaking the law.
I have some empathy for the likes of Yahoo, Hotmail/MS and google.
Combined they have something like a billion users.
The most I ever had to deal with was a few thousand mail users
and at times that made me want to turn off mail and go back to
clay tablets.
Of those millions of users most of them are amazingly unsophisticated so they need to make a number of choices to try and satisfy the largest customer base.
After over 35 years of running mail servers I no longer provide nearly the feature set that I once did and a few years ago I gave up on running any public list servers altogether.
DMARC/DKIM is also more about senders insuring that other mail servers do not masquerade as them and that is a sentiment that I can get behind with 90+% of bounce back messages being caused by spammers using others senders addresses.
This of course can have the side effect of breaking things like mail lists.
Spamming should be a capitol crime.
A few dead spammers hanging in the street could help to clean things up quickly.
But that may be just a tad of an over reaction on my part.
-- Alvin Starr || voice: (905)513-7688 Netvel Inc. || Cell: (416)806-0133 alvin@netvel.net ||