On 2015-01-17 16:41, Istvan Gabor wrote:
I want the server to fetch messages from different mailboxes provided by my ISP,
That means fetchmail.
and store (and backup) those messages.
That means a mail filter or processor, like procmail, or some other mail server filters (sieve?). Or via postfix, I think.
LAN clients would fetch messages from this linux server and not directly from my ISP.
That means an imap/pop3 server, like dovecot or courier.
Messages from LAN clients would be sent (and backed up) through/by the server using my ISP's SMTP server.
That means postfix or sendmail (SMTP server).
All email traffic (all incoming and outgoing) messages should have a backup which can not be modified by the clients.
Just store them on a different server or directory. There are several recipes around.
Please give me a few hints how to proceed or what the options are.
The Linux documentation project, if I remember the name right, has some old howtos on the subject. The details may have changed, but the basics remain valid, and they are well written. -- Cheers / Saludos, Carlos E. R. (from 13.1 x86_64 "Bottle" at Telcontar)