Hello Glenn,
I'm seeing the following and similar entries in our mail logs which
suggests your mail host has been blocked due to being on a blacklist for
not "being in compliance with RFC 5321."
Oct 9 15:56:42 costello postfix/smtpd[5293]: NOQUEUE: reject: RCPT from
resqmta-ch2-04v.sys.comcast.net[69.252.207.36]: 554 5.7.1 Service
unavailable; Client host [69.252.207.36] blocked using dnsbl.spfbl.net;
https://matrix.spfbl.net/69.252.207.36; from=<gzickert@xxxxxxxxxxx> to=<
support-ldm@xxxxxxxxxxxxxxxx> proto=ESMTP helo=<
resqmta-ch2-04v.sys.comcast.net>
Is there another email address you can use to send in your support question?
Cheers,
Jennifer
On Sat, Oct 9, 2021 at 3:56 PM Glenn Zickert <gzickert@xxxxxxxxxxx> wrote:
> I've sent e-mail to support@xxxxxxxxxxxxxxxx and
> support-ldm@xxxxxxxxxxxxxxxx and they are returned as permanently
> undeliverable.
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