Doveadm auth test fails

[Ken Wright]

On Thu, 2022-01-06 at 04:46 +0100, John Fawcett wrote:
> It looks like a mismatch between your dovecot and postfixadmin
> password ARGON2I in dovecot and are using a MD5-crypt scheme in
> postfixadmin. Therefore when you set the password in postfixadmin it
> is saving the password with a different encryption scheme to the one
> that dovecot is using when it verifies the password. I suggest to
> align them. If you change the postfixadmin setting, remember you'll
> have to change the existing passwords that have been stored while
> using a different setting to the dovecot one.

John, you magnificent soandso!  That was indeed the problem.  I changed
PostfixAdmin to ARGON2 and everything worked.  Thank you so much!

> Also one other point (not sure if it's related to the multiple issues
> you've been posting about), but ARGON2 apparently requires a lot of 
> virtual memory. Were you using this previously or did you change to
> it during the server installation you did recently?

I was using it previously.  It was in the tutorial I followed.

Ken