Backup Mac emails

[StevenP304]

I guess this is the right place to ask this out. I have recently got a new job. its my very first day and my boss hands me the tedious job of backing up all emails in a MAC. there are 3 mail accounts. overall stacking somewhere around 90000+ mails.one of them pushes the mails directly to an offline location. that would be done somehow. what about the online ones? any help ASAP?

 

[DelJo63]

What email client on the user systems is being used - - the default or something else?

one of them pushes the mails directly to an offline location. that would be done somehow.

Is that a remote office with users? If not, that was the prior admins idea of email backup

what about the online ones?

hmm; there's lots to discover on this one.

1. online where, the email server itself?
2. are your clients using IMAP, POP3 or a mix of both.
3. does the company run any form of ADS(Active Directory Service) to manage client systems