Thanks about the information, don't worry about the german. Regards,
ravs On Mon, Oct 21, 2013 at 1:51 PM, Robert Schetterer <[email protected]> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Am 21.10.2013 21:30, schrieb Reindl Harald: > > > > > > Am 21.10.2013 21:23, schrieb Reymer Antonio Vargas Solano: > >> At my university we are trying to implement a distributed email > >> backend, but I have some troubles, > >> > >> The topology: > >> > >> Server A: Postfix+LMTP # MTA Server B: Dovecot+LMTP # Just > >> mailboxes Server C: Dovecot # POP3/IMAP > >> > >> Right now the Server A can leave a received email to the Server > >> B, but I don't know how to communicate Server C to the Server B > >> to retrieve the emails. > >> > >> I think that we should use IMAP protocol, but I am confused about > >> how to connect them, I don't know if we have to use a proxy IMAP > >> server, or another thing. > >> > >> Can anyone give me an idea? > > some more ideas , but based on another server setup/layout > use loadbalancer to serveral mailservers ( postfix/dovecot/amavis ) > with shared storage ( gfs, nfs, ocfs2 , ceph ,drbd ) etc , shared > ldap, sql auth backends etc > > > http://sys4.de/de/blog/2013/06/10/loadbalancing-mit-keepalived-postfix-dovecot/ > > http://sys4.de/de/blog/2013/06/06/postfix-dovecot-ceph-cluster-storage/ > > sorry only german > > or > > > http://www.kutukupret.com/2011/06/19/postfix-realtime-maildir-replication-using-dual-primary-drbd-with-ocfs2/ > > there are a lot of chances how to solve it, deeply depends how many > mailboxes inkl quota you want to goal, and how much traffic is > awaited, and at the end what is your budget target. > > > > > http://en.wikipedia.org/wiki/Storage_area_network > > http://en.wikipedia.org/wiki/Clustered_file_system > > > > > > Best Regards > MfG Robert Schetterer > > - -- > [*] sys4 AG > > http://sys4.de, +49 (89) 30 90 46 64 > Franziskanerstraße 15, 81669 München > > Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 > Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer > Aufsichtsratsvorsitzender: Florian Kirstein > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (GNU/Linux) > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQEcBAEBAgAGBQJSZYW5AAoJEP8jBObu0LlEP7sIAJ0DzkJPAjHcChgyih7JBuOw > 4BasW4fxKbYcqZhkMdSdrnCMQ6HU3kFKu1IIj7fB25HKcJcZ+vDn7jvG1W+XmZgJ > dqolm5vVtK3Map+xYiMrHoPSUgQQzYuL/r1C2zIsR7G4H4qOQRTCqAPCGjFBnCwD > tv+i60qukBmwAtEdeTWlUct1MWMyQWuNSiVSmy12NskVFk2yunvwTmHyp0eokuhp > ybxw5sEpqCXiMgHTdDAxct2oCYFPSTzBUt0ZaVxZHvyeQhU99CQSzFDcpGgnv6ck > pdacW0yGzM2yEG1OjsHCC7TwQlNEcVB5Ndz6ZuMWePPtWFY+WA1ojfplT7U13mo= > =FtoI > -----END PGP SIGNATURE----- >
