amavis user login shell needed?

[Alexander Dalloz]

Am 17.02.2021 um 12:44 schrieb Dominic Raferd:
> On Linux, is it necessary that the amavis user have a valid login shell 
> such as /bin/sh? For security I would prefer it to use a null shell.
> 
> If it makes a difference, our amavis calls clamdscan with --fdpass (the 
> 'modern' way). And of course amavis uses SA in the normal way.

/sbin/nologin is valid and sufficient.

Alexander