On 12/28/20 17:12, Bill Degnan via cctalk wrote (in part):
I have noticed the same email addresses' messages routinely end up in
the spam folder of gmail.
[...]
For those of you who run your own mail servers please consider
updating your DNS / authentication to match gmail standards.
Apologies for asking but what the gmail standards? Anything from
yahoo.com, some of Google's own alerts, and items from
lists.dwarfstd.org were all marked as spam.
N.
There are a lot of how-to's on the web, each mail server is different
and there is no simple fix that applies to all. Bill