Fajar Priyanto wrote: > On Friday 04 January 2008 00:09:06 Ugo Bellavance wrote: >> I think that squirrelmail and >> horde would do a good job for webmail. >> >> There shoudn't be any troubles having some redundancy for DNS, web >> servers, mtas, but what about IMAP/POP? linux-HA? MySQL replication >> should be enough, I guess. Or maybe linux-HA as well. I wonder if I >> should add GFS to the mix to have multiple IMAP/POP servers use the same >> storage. Or maybe IMAP proxies? >> >> Any insights welcome :). > > Hi Ugo, > Congrats on your plan opening the ISP. Thanks, but I will only be doing some work for them, I'm not opening the ISP myself... > For webmail, a professional touch would be nice for your customer. Instead of > using plain squirrelmail, try using http://www.nutsmail.com/ instead. Good Idea > AFAIK, redundancy for mail server seldom uses linux-ha/any other failover > stuffs. It is most common to use 'backup MX' in DNS settings. So, when the > main server in unreachable, the sender mail server would try to the secondary > MX through DNS query. That's the easy part, but where do you store the e-mail once you have accepted it? If the pop/IMAP server is down for a while, people won't be able to retreive their e-mail...