[MM3-users] Re: Recipient address rejected: User unknown in local recipient table

I came across this same error and solved it doing some googling and came across this statement.

in main.cf: local_recipient_maps = hash:/opt/mailman/var/data/postfix_lmtp

change it to: local_recipient_maps =

It fixed the immediate issue but I do not know enough to say why. Hope someone can elaborate on this.