SOGo is a highly interoperable solution due to its adoption and promotion of open standards. Among those, SOGo particularly focuses on CalDAV, Mail protocols, Microsoft Exchange ActiveSync, Thunderbird Extensions
SOGo Overview 
SOGo offers multiple ways to access calendaring and messaging data. Your users can either use a web browser, Microsoft Outlook, Mozilla Thunderbird, Apple iCal, or a mobile device to access the same information.
Localized
OGo is available in over a dozen languages so you’ll always feel at home. If your language is missing, you can easily contribute to the project and submit your translation.
Sharing
Share your mail, calendars and address books with other users. Define specific rights to each person or group of persons.
Reminders
Set alarms to important events and get alerted directly from your browser.
Recurring Events
Define precise recurrence pattern for your repeating events and create exceptions if necessary.
Delegation
Delegate access to your mail account or delegate an invitation to another person.
Free/Busy Time
Before sending an invitation, see the free/busy periods of attendees, either from the local SOGo server or a remote Microsoft Exchange server. Automatically set off-hours as busy if you like.
Resource Reservation
Define resources like projectors and conference rooms to automatically accept invitations for them while avoiding double-booking.
Notifications
Be informed if someone modifies your calendar or automatically inform someone if your calendar changes.
Categories
Choose from a predefined set of categories or create your own categories and associate them to your events and contacts.
Multiple Mail Accounts
Configure all your mail accounts (IMAP) from SOGo and forget about login-in to multiple webmail services.
Recurring Events
Define precise recurrence pattern for your repeating events and create exceptions if necessary.
Forward and Auto-Reply
Set an auto reply while on vacation or forward all your incoming mail to one ore many alternate email addresses.
Mail Filtering
Define powerful server-side filters to automatically act on new messages. Forward, discard, reject, flag or move incoming mail depending on complex criteria.
S/MIME
Sign and encrypt messages using your personal secure certificate. Automatically manage public certificates you receive by email.
Export/Import
Export calendars or import events from a vCalendar file. Export contacts to LDIF or import cards from a LDIF of vCard file. Export a mailbox to zip archive.
Why use SOGo?
There are a number of reasons why SOGo should be your preferred groupware solution over alternatives such as Microsoft Exchange or Zimbra.
Costs
- SOGo and all its related components are entirely free and released under the GPL (or LGPL/MPL)
- Other solutions, like Zimbra, offer limited branding capabilities when using the “free” version
- Microsoft Exchange and Zimbra can cost between 30 $US and 115 $US per user, per year, for environments as small as 1,500 users. This means you can pay between 44,000 $US and 105,000 $US per year in licensing fees. With the native Microsoft Outlook compatibility layer SOGo offers, you can connect all your Outlook 2003 to 2013 clients at no cost!
- Other solutions that provide you with Microsoft Outlook compatibility require you to install and maintain complex MAPI connectors on all computers that use Outlook
Interoperability
- SOGo supports and promotes open standards such as CalDAV, CardDAV, CalDAV auto-scheduling, WebDAV Sync, WebDAV ACLs and more
- In SOGo, every single event, task, contact or email can be accessed through the DAV protocol. This provides excellent scripting capabilities
- Apple extensions such as calendar colors, calendar delegation and more are well-supported, making SOGo a transparent Calendar and Contacts Server
- SOGo allows any ActiveSync-compatible mobile device to easily synchronize mail, contacts, events, and tasks
Ease of deployment
- SOGo reuses your existing services such as Microsoft Active Directory, OpenLDAP, your SQL database, or even your IMAP server. By reusing those, SOGo prevents you from time-consuming data migration or directory services data duplication or synchronization problems
- If you have little or no existing services, ZEG can be used for immediate deployments. ZEG will get you running in minutes
- SOGo provides you with migration scripts from existing solutions and more scripts are being added
Modern/Integrated solutions
- SOGo provides you with a coherent environment with Mozilla Thunderbird and Lightning
- Its web interface is simple and professional looking. AJAX is not over-used like other solutions, which makes SOGo’s web interface very fast
- Solutions like DAViCal or Apple Calendar and Contacts Server provide no Web interface and no support for Microsoft Outlook
Performance
- SOGo is very fast and uses few resources. SOGo is a compiled software so the required hardware footprint is very low
- A single SOGo server can easily handle thousands of users
- SOGo’s speed not only comes from its elegant architecture but also from its use of an efficient and distributed cache mechanism
Ease of maintenance
- SOGo is available as packages for multiple operating systems such as Debian, Ubuntu, Red Hat Enterprise Linux and CentOS
- SOGo is also under active development and update processes are trivial and can be done with virtually no downtime
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ราคาอีเมลล์SOGO
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