1. Introduction

This page contains a table of strings contained in the welcome banner or help response of Mail Transfer Agents (MTA). This list was used in the study Automatic survey of inbound mail (MX) servers in academic domains in the UK.

2. Table of MTA identification strings

ID string	MTA tag	System type	URL
Exim	exim	mta	http://www.exim.org
Microsoft ESMTP MAIL Service	msexchange	mta	http://www.microsoft.com/exchange/default.mspx
Microsoft Exchange	msexchange	mta	http://www.microsoft.com/exchange/default.mspx
Postfix	postfix	mta	http://www.postfix.org/
Sendmail	sendmail	mta	http://www.sendmail.org
netqmail home page	netqmail	mta	http://www.qmail.org/netqmail
qmail home page	qmail	mta	http://www.qmail.org
FirstClass	firstclass	mta	http://www.softarc.com
MMDF	mmdf	mta	http://mmdf.sourceforge.net/
MDaemon	mdaemon	mta	http://www.zensoftware.co.uk/mdaemon
mailer 3.1	nexormailer	mta	http://www.nexor.com/content/view/400/315
MailEnable	mailenable	mta	http://www.mailenable.com/
Merak	merak	mta	http://www.merakmailserver.com/
Surgemail	surgemail	mta	http://www.netwinsite.com/surgemail/
IMail	imail	mta	http://www.ipswitch.com/products/imail/index.asp
Mirapoint	mirapoint	mta	http://mirapoint.com
VisNetic.MailServer	visnetic	mta	http://www.deerfield.com/products/visnetic-mailserver/
DSMTP	dmail	mta	http://www.netwinsite.com/dmail
Navaho Galium	navaho-galium	mta	http://www.navaho.co.uk
ModusMail	modusmail	mta	http://www.vircom.com/Products/ModusMAIL.aspx
GroupWise Internet Agent	novell-groupwise	mta	http://www.novell.com/documentation/gw65/treetitl.html
FTGate	ftgate	mta	http://www.ftgate.com
SMTPRCV SMTP Receiver	smtprcv	mta	http://home.exetel.com.au/klint/ims/index.html
Mercury/32	mercury	mta	http://www.pmail.com/
NTMail	ntmail	mta	http://www.gordano.com/kb.htm?q=1582
Apache James	apachejames	mta	http://james.apache.org
PMDF	pmdf	mta	http://www.process.com/tcpip/pmdf.html

3. Table of filter identification strings

ID string	MTA tag	System type	URL
WebShield	webshield	filter	http://www.mcafee.com/us/enterprise/products/anti_virus/internet_gateway/webshield_smtp.html
MailMarshal	mailmarshal	filter	http://www.marshal.com/mailmarshal_smtp
qpsmtpd	qpsmtpd	filter	http://smtpd.develooper.com
smtpf	smtpf	filter	http://www.snertsoft.com/smtp/smtpf
SpamFilterISP	spamfilterisp	filter	http://www.logsat.com/sfi-spam-filter.asp
MIMEsweeper	mimesweeper	filter	http://www.clearswift.com/products/msw/smtp_appliance/whatitdoes.aspx
GWGuardian	gwguardian	filter	http://www.gwtools.com/gwguardian
Trend Micro InterScan	trend-micro-interscan	filter	http://us.trendmicro.com/us/products/enterprise/interscan-messaging-security-appliance/
Symantec Mail Security	symantec-mail-security	filter	http://www.symantec.com/enterprise/products/overview.jsp?pcid=1008&pvid=846_1