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1	SurgeMail Mail Server
	SMTP, POP3, IMAP4, SPF, Webmail, Blogs A Complete, advanced Mail Server, SurgeMail is secure, easy to install and manage with high performance. This aggressively priced email server is fast, reliable and feature rich, with integrated WebMail software.
	Size: 10.4 MB,  Price: USD $175.00 ,  License: Shareware,  Author: NetWin Ltd (netwinsite.com)

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2	Eserv Mail Server
	Mail Server - SMTP/POP3/IMAP, AntiSpam (Bayes learning through IMAP/HTTP; SPF, SenderID, RBL, YDK), AntiVirus, content filter, aliases, routing, maill ists, mail robots, WebMail, statistics, unlimited domains and users number (auth AD, ODBC, txt) Mail ...
	Size: 13.7 MB,  Price: USD $90.00 ,  License: Shareware,  Author: Etype (etype.net)

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3	FTGate
	Features include calendaring, contacts, IMAP, anti-spam , anti-virus support, multiple domains, Web Administration, WebMail, instant messaging, SPF,SSL + more. FTGate Professional Edition is a complete email server with powerful Groupware functionality ...
	Size: 36.2 MB,  Price: USD $466.00 ,  License: Commercial,  Author: FTGate Technology Ltd (ftgate.com)

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4	iNetQuery
	Additional utilities can query special DNS records like SPF (Sender Policy Framework) or Open-Relay databases to find blacklisteted hostnames. A status panel shows detailed information about installed network interfaces. Adapter properties and activities, ...
	Size: 3.7 MB,  Price: Free,  License: Freeware,  Author: atrium software international (atrium-software.com)
	Dns, Netstat, Ping, Query, Spf, Tools, Traceroute, Whois

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5	MailEnable Professional
	Net web administration; Improved Spam Protection Professional Edition contains numerous anti-spam features, with the addition of SPF and Bayesian filtering to protect your system from unwanted junk mail; Full Featured Web Mail - Additional ...
	Size: 23.0 MB,  Price: USD $240.00 ,  License: Demo,  Author: MailEnable (mailenable.com)
	Anti-spam, E-mail, Email, Email Server, Httpmail, Imap, Imap4, Mail, Mail Enable, Mail Server, Mailenable, Pop, Pop3, Smtp, Spf

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6	Merak Mail Server Suite
	Provides a wide range of optional components and services including secured mail services with multiple domain support(SMTP, POP3, IMAP), user-friendly Web-Mail (Outlook-like interface), Anti-Spam with updates (SpamAssassin, SPF, Bayes, SURBL, ChallengeResponse, ...
	Size: 25.1 MB,  Price: USD $269.00 ,  License: Shareware,  Author: IceWarp Ltd. (icewarp.com)
	Account, Anti, Antispam, Antivirus, Calendar, Challenge, Domainkeys, Filters, Ftp, Greylisting, Groupware, Http, Im, Imap, Instant, Jabber, List, Mail, Mailserver, Maliing

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7	VisNetic MailServer
	VisNetic Mail Server features support for Sender Policy Framework (SPF) and Spam URI Realtime Blocklists (SURBL). Instant Anti Spam is a complete spam filtering solution built into VisNetic Mail Server. Instant Anti Spam combines the ...
	Size: 30.6 MB,  Price: USD $360.00, EUR 325 ,  License: Shareware,  Author: Deerfield.com (deerfield.com)
	Anti Spam, Antispam, Email Server, Imap, Instant Messaging, Ldap, Mail Server, Mail Transfer Agent, Pop3, Smtp, Spam Filter, Spam Prevention, Wap, Web Admin, Web Mail

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8	Gattaca Server
	Gattaca Server use DNSBL, SPF, white and black list for protecting user's mail boxes from SPAM. During work Gattaca Server automatically update white list, by additing e-mail addresses which is sending e-mails. Also all incomming correspondence checking ...
	Size: 5.1 MB,  Price: USD $59.95 ,  License: Shareware,  Author: IK GeeOS Team (gattaca-server.com)
	Mail, Mail Server, Pop3, Smtp

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9	MDaemon Email Server for Windows
	MDaemon mail server software uses the advanced email authentication techniques of Vouch By Reference (VBR) and validates and signs messages using DKIM, DK, Sender-ID, and SPF.
	Size: 50.6 MB,  Price: USD $130.00 ,  License: Shareware,  Author: Alt-N Technologies, Ltd. (altn.com)
	Email Server, Email Server Software, Exchange Alternative, Mail Server, Mail Server Software, Mdaemon, Pop3 Server, Smtp Server

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10	Simple PDF Creator
	If you want, you can save your documents in SPF (Simple Project File) format for further modifications. Working With Integrated Text Editor1. Create a blank page with New Project buton. 2. Prepare your document by using text toolbar in Simple PDF Creator's ...
	Size: 742.0 KB,  Price: USD $10.00 ,  License: Shareware,  Author: Murat Cileli (muratcileli.com)

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11	MDaemon Email Server
	Security features include Greylisting, DKIM, DomainKeys, SPF, Sender ID. MDaemon, Windows-based email server software, contains full mail server functionality and control with a strong emphasis on security to protect your email communication needs. ...
	Size: 38.7 MB,  Price: USD $130.00 ,  License: Demo,  Author: Alt-N Technologies, Ltd. (altn.com)
	Anti Spam, Antispam, E-mail, E-mail Server, Email Messaging, Email Server, Http, Imap, Ldap, Mail Server, Mdaemon, Ndaemon, Phishing, Pop3, Smtp, Smtp Mail Server, Spam Filter, Spam Prevention, Wap, Web Admin

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12	ORF Enterprise Edition
	ORF Enterprise Edition is an enterprise-level anti-spam solution that helps you to block spam before it reaches your network. ORF uses a combination of anti-spam technologies to stop the spam on SMTP protocol level. ORF Enterprise Edition is an enterprise-level ...
	Size: 4.0 MB,  Price: USD $198.00 ,  License: Commercial,  Author: Vamsoft Ltd. (vamsoft.com)
	Anti-spam, Dnsbl, Email Filter, Exchange, Open Relay, Rbl, Spam Filter, Spf