vPostMaster Features

Reliable
Easy to use
Free email server download for non-commercial use
Affordable license for commercial use
Based on software used by millions of users
- Postfix SMTP email server
- Spamassassin spam filtering
- ClamAV anti-virus filtering
- Squirrelmail webmail
- Postgresql database
Integrates with Platypus and other ISP billing systems
Install Choices
- Easy to Install - 10 minute installation with yum
- No Install at All - hosted email server version
- Bundle Install - CD including Linux and vPostMaster, easiest install of all
Open system, open standards
- SMTP
- POP3
- IMAP4
- HTTP
- SSL SMTP
- SSL POP3
- SSL IMAP4
- SSL HTTP
- Compatible with Outlook, Outlook Express, Eudora, and other email clients
- Compatible with all Windows, Linux and Apple email servers
Total Email Security
- Greylisting
- Open relay protection
- ClamAV Anti-virus protection
- Spamassassin Anti-spam protection
- Secure authentication schemes (SSL, SPF, Auth before Relay)
- tarpitting
- Per-email user configurable filter rules
- Per-domain filter configuration
- Per-domain user default configuration
- Per-domain disk quotas
- Per-user disk quotas
- Black/White listing
- Filter on any part of the envelope header
Easy to Administer
- Through the web administration
- Command line access
- Remote administration through the web or SSH
- Command line tools planned in next release
Account Types
- Unlimited domains
- Unlimited users with non-commercial license
- User email accounts
- Unique email addresses for each correspondant user-bigcompany@example.com, user-smallcompany@example.com
- Mailing lists
- Forwarding to another email account
- List servers
- Notifications and vacation
Operating System Requirements
- Ubuntu LTS releases
- Red Hat Enterprise and CentOS 5
Most small organizations will need only one computer to run vPostMaster
Anti-Spam Features
- SpamAssassin
- SURBL & RBL (Realtime Black List, via SpamAssassin)
- Greylisting
- SPF (Sender Policy Framework)
- Filter on all envelope parts
  - Black and White Lists
  - Quarantine spam to quarantine folder
  - Delete spam messages
  - Reject spam messages
- Webmail spam folders
- Per-user spam folders
Live Update notification
Webmail - Squirrelmail