Don't create tickets for mails

[dcorbera]

We need the system only permits to create tickets if its domain is *@domain1.com or *@domain2.com or *@domain3.com.
How can we do it?
If OTRS receives a mail from other domain, it shoud be deleted.
Many thanks.

[crythias]

Easiest: PostmasterFilter set X-OTRS-Ignore True
(or yes? or 1?)

More involved: only real customers

[dcorbera]

Using this option we can reject all mails from a domain, for example @domain1.com. But, how can we create tickets only from three domains? Just domain2@.com, domain3@.com and domain4@.com?
Put another way, we would reject all mails except 3 domains, how can we do it?
Many thanks.

[crythias]

Better answer is to ask your email provider and create a whitelist.

[dcorbera]

We can not create the white list on otrs?

[crythias]

Sure. *A* way to do it is to use consecutive Postmaster filter (I believe they're processed in ABC order, but don't quote me.)
One simply says match any From and then set X-OTRS-Ignore=1
The next says match your list, set X-OTRS-Ignore = 0 and [x] stop processing more filters.