[miasme]

multiple host names in DNS shouldn’t confuse postfix.

have you verified that postfix is using the correct hostname?
go to the server that is being refused, and run a:
postconf -n

look for the “myhostname” line.
does it match what you want it to be?

could you use a “mynetworks” entry as a work around or alternate acceptance method for your servers?

[miasme]

i’d try making a copy of the old mail store.
then remove each folder’s cyrus.cache, cyrus.header and cyrus.index file.
sudo find /path/to/imap-copy/ -name ‘cyrus.*’ -delete
should do the trick
next use the standard reconstruct tools, then try to specify this as an alternate mail store
set up a test user and see how it goes…

[miasme]

ways i can think of doing this quickly, offhand:

a) Server Admin > Mail > Settings > General – copy all mail to…(a separate account)
then login to that account and do a search.
creating this account with an alternate mail store might be a good idea.
(alternate mail stores can be defined in SA > Mail > Settings > Advanced > Database)
with an alternate mail store, it would be similar to working on a backup copy.

b) cyradmin (or NKersten’s handy SirAdmin) give a separate account lrs (read) privs. to all mailboxes
with read only searching, it *should not* impact the user’s account.

c) similar to “a” or “b” but set up the separate account’s mail store to be a copy of the main mail store
i’d be wary of trusting a backup as an honest backup source if you use that instead of a copy.

d) command line options such as…
sudo grep -d recurse “search term” /path/to/imap/directory/ | more
can work on a backup or live copy. i’d probably only use it on a backup.

hth
:ps

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