Hey skunk[ettes], I hope you all are doing great. Now, a friend sent me the table below. He needs a mail and calendaring solution meeting the stipulated requirements. He would like to go the zimbra way, but I'm not sure if the open source edition meets the requirements. is there an alternative that you can prolly suggest? Thanks, Me ---------- Forwarded message ---------- To: "simon.mbuthia" <simon.mbuthia@gmail.com> The proposed application must run on Suse Linux Operating System.** The application must provide high level security** Support for 300 mailboxes / users.** Provide for mailbox size limit and message size management features.** Provide for user and system activity monitoring** Provide for *Lightweight Directory Access Protocol (*LDAP) Support for authentication.** Support for mail processing, both incoming and outgoing*.* Support for resend / retract messages, appointments, etc.** Support for global, groups, and personal contacts (address books) with Auto-complete addresses** Support for status tracking** Support for rich find / search / filter capabilities** Support for attachment processing of all types** Support for auto signatures / multiple signatures** Support for rules based message handling** Support for shared folders** Support for appointments management** Support for Day, Week, Month and Year multi-user and personal calendars** Support for events management** Support for tasks management** Support for various formats for Import / export of contacts, mails, etc.** Support for easy and efficient search of contacts across multiple books** Support for Simple Object Access Protocol (SOAP) / XML Support** Support for online backup and restore** Support for rule based archiving** Support for personal folders management** Ability to handle junk and spam mail** Support for auto spell checking or spell as you type** Support for delayed delivery, mail prioritizing and reply requesting** Support for notifications of new mail, alarms, returns, etc** Support for common text editors eg. WordPad, Open Office or Microsoft Word** Support for e-mail auto save** Ability to maintain history per contact** Support group forums for internal collaboration** Ability to manage mailing lists** Ability to restrict send to specific domain / email addresses.** Ability to restrict receive from specific domain / email addresses.** Ability to forward emails and other content to other domains / email addresses.** Ability to use customized disclaimers.** *Integration with the common existing e-mail clients* Must have capability to support the following: Support Microsoft Outlook MAPI client protocol for incoming mail. Support POP3 or IMAP4 email client protocols for use by client’s software such as Outlook Express, Mozilla Thunderbird, Eudora, etc for incoming mail Support web access for email via commonly used web browsers like Microsoft Internet Explorer, Mozilla Fire fox, etc with easy to use graphical user interface. Support wireless mobile web access for email by mobile phone users, both for sending and receiving. Must support SMTP for outgoing mail. *4.0 System server administration* 4.1 Should provide for a centralized and comprehensive Web-based Graphic User Interface facility for all system wide and user features administration. Must have own spam protection (Industry-leading Anti Spam) with auto update capability. Must have own virus protection (Industry-leading Anti Virus) with auto update capability.