Hi, I just purchased IMail 7.0x for my company. It has not arrived yet, so I'm still pretty much in the dark about it other than having played with the downloadable demo of version 6 and having used it as an end user through several hosting companies (Interland, etc.). I will be running it on a 1Ghz PIII machine with 500MB of RAM and will be hosting approximately 848 e-mail accounts for 49 virtual domains using one IP address. The server runs Win2k with SP2 and will be sitting inside our firewall (Cisco PIX) and most users will access it from inside the firewall. However, they will be also accessing it (POP3, IMAP, Web Mail) from home (outside firewall) as well. Questions: 1) Are there any "gottcha's" I need to be aware of when first setting up this system so that implementation will be smooth? 2) Will multi-homing/mult-hosting (IP addresses) play a factor in performance or problems? We are low on public class C's so, that may be an issue if performance or problems are effected by sharing IP address for all virtual domains! 3) Should I use the IMail internal database or an external one? I want the easiest (yet reliable) method for virtual domain managers to use via web mail. Or does the database type not make any difference to the end user or virtual domain manager? What are the advantages vs. disadvantages of each? If I used the Win2k user database, will I have to create and manage users via Win2k? If so, how will my virtual domain managers manage their users? 4) The e-mail accounts are coming from Linux and Lotus Domino systems. Has anyone found a way to import users from other systems such as Linux? 5) Most people will be using POP3 clients then switching over to web mail. Does anyone have experience with the Web Calendar? If so, is it worth while or just a lame excuse for calendaring? Does it offer group calendars or just for individuals? Thanks in advance for any help. My past experiences with migrating users to new mail servers on new platforms have been very unpleasant experiences. I really hope this software will make e-mail hosting woes go away! ks
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