restrict who can send emails to an email address

[Eric Luyten]

On Thu, August 13, 2015 1:53 pm, Sunny wrote:
> Hi,
>
>
> Is there an option in cyrus that can restrict who can send emails to an
> email address?
>
> e.g
>
> the mail alias everyone at mycompany.com contains all the members in the
> organisation - I would like to restrict who can send emails to
> everyone at mycompany.com, ideally granular control i.e. boss at mycompany.com
> pa at mycompany.com or if that's not possible only internal users *@mycompany.com
> (i.e. no external address is allowed to send to
> everyone at mycompany.com).


Sunny,


What you want to accomplish needs to be done in your Mail Transfer Agent
(Postfix, Sendmail, Exim, ...) not by Cyrus, which is a mail storage and
serving (POP3/IMAP) engine.


Regards,
Eric Luyten, Computing Centre VUB/ULB.