On 29 Sep 2020, at 11:46, J David <j.david.li...@gmail.com> wrote:
> domains that have no email service, i.e., those domains
> have A records in that range but no MX records at all.
As we've covered recently omit eh list, the is no requirement to have an MX
record in order to have a mail services. This might not matter to you, but if
some of those sites send out thing like login confirmations codes, password
resets, or account verification you're going to run into problems.
--
Love seeketh not itself to please Nor for itself hath any care But
for another gives its ease And builds a heaven in Hell's despair
