TABLE 1: SMTP Mail Servers Feature Comparison
	CommuniGate Pro	Eudora WorldMail Server 2.0	IMail Server 5.0	MailSite 3.3.1	N-PLEX Global 4.0	NTMail
Mail Protocol Support
SMTP	X	X	X	X	X	X
POP3	X	X	X	X	X	X
IMAP4	X	X	X	X	X	X
IMAP shared folders	X	X	X		X	X
HTTP mail access	X		X		X (option)	X
HTTP management	X	X	X	X		X
Features
ACAP	X
Finger server			X			X
Client LDAP query support	X	X	X	X	X (option)
Poppwd	X	X	X			X
Automatic reply	X	X	X	X	X	X
Secure Logon Options
APOP	X	X		X	X	X
IMAP4 AUTH	X		X	X	X	X
AUTH-POP3	X		X		X
CRAM-MD5	X	X	X	X	X	X
Anti-UCE features	X		X	X	X	X (option)
Virus-scanning support	X1				X1	X (option)
Mailbox size limits	X	X	X	X	X	X
Multiple peer server support	X (option)		X		X (option)	X
Mailbox Authentication Options
Mail system password	X	X	X	X	X	X
NT local accounts password	X		X	X	X	X
NT domain accounts password	X		X	X	X	X
Database accounts	X		X	X (option)		X
List-Server Options
Subscribe/unsubscribe	X	X	X	X	X	X
Digest mode	X		X	X		X
Moderated	X	X	X	X	X	X
Private lists	X	X	X		X	X
1Interface to a third-party virus scanner.