Re: [Dovecot] Proxy IMAP/POP/ManageSieve/SMTP in a large cluster enviroment

2010-07-19 Thread Timo Sirainen
On Sun, 2010-07-18 at 18:22 -0300, Aliet Santiesteban Sifontes wrote: > > - In case we use a Proxy with dovecot we know we can use it with > IMAP/POP but are not sure for ManageSieve and more important for SMTP. The > question is, how can we proxy for the same user IMAP/POP/ManageSieve and >

Re: [Dovecot] Proxy IMAP/POP/ManageSieve/SMTP in a large cluster enviroment

2010-07-19 Thread Stan Hoeppner
Aliet Santiesteban Sifontes put forth on 7/18/2010 4:22 PM: > 6- Mail backend. > - ( n servers)RHEL5/6 using Dovecot. > > Now for functional role 6 "Mail Backend" we have some dilemmas. >- Recommended scalable filesystem to use for such scenario(Clustered or > not). You have 3 choices: NFS

Re: [Dovecot] Proxy IMAP/POP/ManageSieve/SMTP in a large cluster enviroment

2010-07-18 Thread Heiko Schlittermann
BTW, and I'm not sure, if you still need amavis, as direct scanning (using clamav or some other scanner) will be faster. Same is for Spamassassin, as long as you use it as filter and not just as some evaluator. -- Heiko signature.asc Description: Digital signature

Re: [Dovecot] Proxy IMAP/POP/ManageSieve/SMTP in a large cluster enviroment

2010-07-18 Thread Heiko Schlittermann
Hello, just my comment on you topic: if I'd design such setup, I'd expect, that sooner or later some additional flexibility is needed, that there will be same tasks you never thought about in advance. I'm not sure, if in such case I'd rely on Postfix. Postfix might be fast, but it is by no means a

[Dovecot] Proxy IMAP/POP/ManageSieve/SMTP in a large cluster enviroment

2010-07-18 Thread Aliet Santiesteban Sifontes
Hi to all in the list, we are trying to do some tests lab for a large scale mail system having this requirements: - Scale to maybe 1million users(Only for testing). - Server side filters. - User quotas. - High concurrency. - High performance and High Availability. We plan to test this using RHEL5