[mdlug] Failing email

[email5000 at usa.com]

Perhaps someone can shed some light on this for me...

I'm not receiving SOME emails in one of my email accounts - that is,
messages from only one sender (that I know of) are essentially bouncing
back to them - it's my credit card company. I spoke with them and they
said that the messages are bouncing back: it was working fine until
about mid-June; plus they claim that they can find nothing wrong on
their end - it must be the email service (it's a reasonable
'conclusion', though I question the absolute validity). To corroborate
this (to some degree anyway) they are successfully sending, and I am
receiving, their emails to another of my email accounts. The email
service in question has two varieties: paid / unpaid. I have the free
service. Now, granted, their service is centered on using a browser. I
use Thunderbird primarily (when at our meetings in the library, I use a
browser). I tried contacting the email service via a web form explaining
the problem, noting my browser, that I use T-bird, and any other of the
points they suggested in submitting the help request. They responded
with an automated generic list of aphorisms that are essentially
intended for the brain-dead, but state at the bottom that if none of the
items on the list works, respond to the message. I did. So far, nothing
but crickets. I waited for about a week, and responded again. Crickets.

So, I have yet to talk again to the CC company, but I'd like to have
some (up-to-date) knowledge on the subject.

Thoughts. Ideas. Please advise.

Thanks.
Rich Hall