Blocking public access to distrubution list.

[Caterpillar]

Hi..

How do i block public access to distribution list. Only local users should be able to send emails. The emails from outside domain should be blocked.But we do have other dist list for that any user can send emails. Please help me, how to do it how to block it. Waiting for reply.

Regards
Caterpillar.

[uxbod]

RestrictPostfixRecipients - Zimbra :: Wiki