man dot-qmail:
SAFE QMAIL EDITING
Incoming messages can arrive at any moment. If you want to
safely edit your .qmail file, first set the sticky bit on
your home directory:
chmod +t $HOME
qmail-local will temporarily defer delivery of any message
to you if your home directory is sticky (or group-writable
or other-writable, which should never happen). Make sure to
chmod -t $HOME
when you are done! It's a good idea to test your new .qmail
file as follows:
qmail-local -n $USER ~ $USER '' '' '' '' ./Mailbox
I have no idea if mail will follow the usual timeout schedule if it's being
deferred because of this.
HTH,
J.
From: "Mike K" <[EMAIL PROTECTED]>
> Is there a way that I could set a whole domain to a 'hold' status,
> so all of the mail waits for them, until the hold is removed?