LastLogin update

[at lbutlr]

> On 20 Jun 2019, at 11:36, Adrian Minta via dovecot <dovecot at dovecot.org> wrote:
> 
> this seems to work very well: 
> 
> https://docs.iredmail.org/track.user.last.login.html

This is cool, but I have a question:

> For MySQL/MariaDB backends, we create the sql table in database vmail.

Would this interfere with or confuse postfixadmin? I use that so that users can update their own passwords and domain admins can add users and aliases.

> You could also add "rip = $rip" in "fields" for the ip address.



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