Sorry, no there isn't a setting to do that currently.

Probably not helpful, but one suggestion would be to make them use imap 
instead, if they are leaving messages on the server, then pop is the 
wrong protocol and best avoided, there are user level rules to prevent 
pop access...

     ChrisP.


On 26/01/2016 8:03 p.m., Sam Scafe wrote:
> Hi
>
> Is there anyway to ignore the command  to remove mail from server after x
> days.
> I am working with a non profit group who use POP3
>
> Every so often someone connects from a BYOD and it deletes all the mail from
> the spool on the server.
> What I am trying to achieve is for this to be ignored based on the account,
> not the entire mail server
>
> Ie  blocked the command onHIDDEN@a.com   but not on  bbb@aaa.com
>
> Regards
>
> Samantha
> IT Support
> FNQTS
>
>