Tommy Mikkelsen in the GroupWise GWIA forum suggested I post his reply to
my query here. It was -
"Might wanna repost in the DNS forum"

The background is that blacklisted my domain A
link in the notice from them suggested that rDNS was not working, so I made
some changes, got rDNS to work, but still can't send to them. SoI the kind
people in the GWIA forum -

Can someone please check the result of the dns test at dnsstuff link above
& tell me what you think?

Thanks in advance,

Howie Ferguson
Systems Administrator
Pratt-Thomas, Epting & Walker, P.A.