Imunify360's Exim+Dovecot brute-force attack protection module erroring due to latest dovecot updates

Symptoms

While there are no services failing, this is likely to cause Exim+Dovecot brute-force attack protection of Imunify360 to stop working.

Description

The recent updates of Dovecot SNI configurations resulted in the following error upon restarting Dovecot.

auth: Error: Couldn't load plugin /usr/lib64/dovecot/auth/lib_imunify360.so: dlopen() failed: /usr/lib64/dovecot/auth/lib_imunify360.so: undefined symbol: auth_default_subsystems

We've opened an internal case for our development team to investigate this further. For reference, the case number is UPS-789 . Follow this article to receive an email notification when a solution is published in the product. 

Workaround