Sustained spamming of single mailbox

["Bole, Jim A" <jbole () ALBANY EDU>]

I’d appreciate any suggestions on how to mitigate or stop an unusual spam attack against a single mailbox.

We have one account that is being continually spammed with 1-1.5K spam emails a day for almost 10 days.

We’ve quarantined all inbound external email as a workaround.

The emails appear to be random spam including newsletters, shopping and in various languages. Sample subject lines:

С наступающим НОВЫМ 2021 годом - БЕЛОГО МЕТАЛЛИЧЕСКОГО БЫКА!!!
Your privacy is key 🔐
[SITREP] Survival Dispatch
The Morning Notes | Fiscal Spending and Bond Yields
End of Year Gown Promotion!
IndieWire Staff Picks Year's Best Films; Wild Box Office Path of 'The Exorcist'; 2020 Changes to Industry
Guess what’s back in stock?
A guide to your 2020 personal annual review
​[Achtung!] Ich analysiere dein Business persönlich
Kick-start 2021 with our top 5 Sales
Master your home life, from welding to gardening!

I have a hunch that someone intentionally targeted the user with some sort of dark web “spam as a service” The user 
isn’t aware of anyone who might be targeting him/her.

Any help or info greatly appreciated.

Jim Bole
Chief Information Security Officer
Information Technology Services
University at Albany, IT Building 102F, 1400 Washington Avenue, Albany, NY 12222





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