Private Messages module allows to add private communication between members to your
website based on Esvon Classifieds program - universal classified ads script.
It is complete internal messaging system solution allowing
members to communicate keeping email addresses private.
Members can be notified by email if they get new private message.
Administrator can define maximum internal mailbox size for each member.
If you want paid membership website you can set it
to allow replying to ads for paid members only.
Also it's possible to allow free replies to paid member messages,
so that paid members will always get responses from non-paid users.
Features flood protection system to prevent spam.