That sounds like a heavily compromised email address you have there.
If I were you I'd set up a new email address, probably an umber-versatile
one like Gmail (accessible however and where ever you need) and begin
migrating your activity to it.
There is another solution, which I use and have found really effective.
I have an account at POBOX.COM which has had the same email address for over
10 years. Highly "compromised" as noted above.
POBOX offers both a *very effective* spam blocking service and email
forwarding to the ISP of your choice. I use a randomly-generated numeric
email address with the ISP (something like (e-mail address removed)) which
after a year or so has attracted ZERO spam! POBOX forwards all non-spam
email to that "unadvertised" address. Email recognized as spam, but from
legitimate email addresses is "help" on POBOX's server, and I get notified
daily/weekly/whatever (my choice) of its existence. I can go into POBOX via
WebMail to discover any false positives, and have them released and/or
whitelisted.
POBOX also lets you "reject" emails that meet your preset criteria, such as
originating from Kazakhstan, or Nigeria, or wherever, or from blacklisted
sites, or even from "broadband machines" (not connected via a recognizable
ISP.
The whole system, with a little bit of training, works really well.
I can heartily recommend POBOX.COM as a solution here (and I have no vested
interest in the company). The cost is nominal -- $15 or $25 a year,
depending on the level of service desired. I use the full "mailstore"
service myself.