Strategies for protecting IMAP (e.g. MFA)

[Joseph Tam]

On Sun, 14 Nov 2021, Michael Peddemors wrote:

> And there are RBL's now for know IP(s) used by IMAP hackers, including 
> SpamRats RATS-AUTH that can assist in reducing those attacks.

These guys also lists brute forcers:

 	http://www.blocklist.de/en/rbldns.html

I don't know how well they catch IMAP hackers, but they list 95%+ of our
ssh brute forcing attacks.

Joseph Tam <jtam.home at gmail.com>