>> Direct mail for those users to the retry transport via transport maps. > >This is not very efficient, because the mail moves between the deferred >and active queues until the user's transport setting is updated, and then >all mail for the user (old and new) is released. The OP probably wants >a quarantine system. Postfix does not come with a built-in quarantine >system.
Sahil/Victor, I actually need to work on the mailbox of ~4 users downstream from the postfix MTA for a few hours, then I won't do this again unless I need to perform maintenance again. I trust Sahils suggestion would work fine for this scenario? Thank you both, jlc