mail server trial software / shareware for linux

Merak Email Server Suite consists of multiple awards winner Merak Email Server core and optional components providing all the features for secured offices and Internet communication.
Main features:
- Email Server
- Anti-Spam Protection
- Anti-Virus Protection
- Integrated WebMail
- FTP Server
- Web Server
- Instant Messaging
- GroupWare

AXIGEN Mail Server is a carrier class messaging solution, backed up by first rate tech support. AXIGEN is a secure, highly configurable mail server with central WEB / CLI administration modules. Providing ESMTP, IMAP, POP3 and Webmail services, integrated List Server and advanced Logging/Reporting, AXIGEN allows system administrators to closely control email traffic.
AXIGEN is available for many Linux distributions (Gentoo, Redhat/Fedora Core, Slackware, Debian, Ubuntu, Mandrake/Mandriva, SUSE), for BSD platforms and for Solaris.
One of our large implementation with and an ISP (over 140,000 and 700,000 emails daily) increased 5 times server efficiency based on verified metrics.
Main AXIGEN services:
1. Mail transfer is ensured by SMTP /ESMTP modules, which include a powerful Mail Processing engine with an API(Application Programming Interface) for custom filtering.
2. Message retrieval is performed through IMAP4 or POP3 protocols with special tools for connectivity control and host authentication management.
3. Webmail module provides improved security and efficiency and allows users to access their email from any location using their Web browser
Mail Services:
- SMTP/ESMTP, POP3, IMAP4 and WEBMail
- SSL/TLS encryption
- Integrated List server
Connectivity and architecture:
- Multithreaded engine with module thread control
- Simultaneous resource access
- Clustering support
- Mail storage with index based access
- In depth connection control
- WebMail available in 15 languages
- Firewall-like communication rules
- User authentication: plain, login, CRAM MD5, DIGEST MD5
Time Management Tools:
- Personal Organizer (Calendar, Journal, Tasks, Notes)
- AXIGEN Outlook Connector enabling most Exchange like features
Server Security:
- Multilevel filtering system
- Integration with 16 Antivirus and AntiSPAM applications.
Version restrictions:
- 30 day trial, with full functions
Enhancements:
- WebMail languages: Persian, Greek, English, Romanian, Norwegian, Spanish, Dutch, Italian, German, Chinese, Russian, Portuguese, Swedish, Czech and Polish.
- Log Parser -scans a log file for any known (handled) errors and savesthe sessions separately
- FTP Backup Tool - simplifies backup procedure.

BRU Server for Linux is a native Linux backup software solution that protects critical information residing across your client/server based network served by a Linux server system. The project continues the heritage of providing Ultra-reliable Linux backup that began in 1994 at Linux kernel 0.99pl12 when BRU (Backup & Restore Utility) was the first, non-development application available for Linux end users.
In similar fashion to Linux being scaled to provide enterprise level support, TOLIS Group has scaled its BRU technology to provide enterprise wide data protection services.
BRU Server is based on the venerable and time-tested BRU engine and utilizes the most modern supporting technology structures to deliver its unique data protection characteristics. OFM, TOLIS Open File Manager is available to back up live databases such as Exchange Server, SQL Server, Filemaker, Oracle, Sybase and others running on Windows client systems.
The proven reliability of BRU technology coupled with the proven reliability of Linux operating system creates a backup system of unsurpassed uptime and availability to archived data.
BRU Server for Linux delivers the reliability, functionality and flexibility to meet your organizations data protection needs:
- Straightforward Installation - Many Functions Automated.
- Graphical User Interface, Character-Based, and Command Line Management Consoles.
- Backups 100% verified for accuracy.
- Media recovery algorithms provide successful restores where other tools fail.
- Live database backup.
- Flexible Disk Staging Provides Disk-to-Disk and Disk-to-Disk-to-Tape Support.
- Off-Site Storage Services.
- Comprehensive Native Tape Device Support.
- Three (3) Versions of BRU Server Provide Highly Scalable, Cost-Effective Backup to Meet Your Needs
BRU Server for Linux Solution Choices
- BRU Server Basic Edition - Full BRU Server functionality, includes 2 client licenses to back itself up and 1 other connected system - fully expandable.
- BRU Server Network Edition - Includes 25 client licenses and is fully expandable.
- BRU Server Enterprise Edition - Includes 250 client licenses, expandalble.
- BRU Server Client Licenses - Available individually, or in cost-effective packs of 5, 10, 25, and 100 licenses.
- BRU Server Site Licenses - Custom quoted when more than five (5) copies of BRU Server, or more than 1,000 clients are required to support an organization.