There are web sites that will build that info for you, you just fill in the blanks, you give that info on your domain provider, some Mail services like gmail will refuse your mail with out it

Keith

On Wed, Dec 23, 2020 at 2:13 AM Steve Litt via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:
What about all this dmarc/dkim crap? Do they do a good job with
that so you don't have to jump through 33,000 hoops of widely varying
height to interact with the varous monopolomails like gmail, yahoo,
hotmail and the like?

SteveT

Steve Litt
Autumn 2020 featured book: Thriving in Tough Times
http://www.troubleshooters.com/thrive



On Tue, 22 Dec 2020 19:49:32 -0700
keith Miller via PLUG-discuss <plug-discuss@lists.phxlinux.org> wrote:

> I LOVE Zimbra and complete mail server and free unless you need
> support or some really special plugin, which I have not
>
> Keith
>
> On Tue, Dec 22, 2020 at 6:03 PM Jeff Garland via PLUG-discuss <
> plug-discuss@lists.phxlinux.org> wrote:
>
> >
> >
> > On Tue, Dec 22, 2020 at 5:28 PM Stephen Partington via PLUG-discuss
> > < plug-discuss@lists.phxlinux.org> wrote:
> > 
> >> I really like how Dreamhost runs their mail hosts. And they give
> >> you an API for the various management options.
> >>
> >> 
> > Been using them for a 10+ years -- it's a few clicks to setup a
> > mailing list.
> >
> > ---------------------------------------------------
> > PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
> > To subscribe, unsubscribe, or to change your mail settings:
> > https://lists.phxlinux.org/mailman/listinfo/plug-discuss 
>
>
>
---------------------------------------------------
PLUG-discuss mailing list - PLUG-discuss@lists.phxlinux.org
To subscribe, unsubscribe, or to change your mail settings:
https://lists.phxlinux.org/mailman/listinfo/plug-discuss
--
Keith D. Miller