Sender Policy Framework Software

MailScan 5.0 for SMTP Servers by MicroWorld Technologies Inc.

MailScan 5 for SMTP is the world''s most advanced AntiVirus and AntiSpam Solution for Mail Servers that work on platforms like Windows, Unix, Linux, Novell and Solaris.

mailscan for mailservers real-time mail scanning software for mail servers spam filtering virus scanning anti-virus content security

DNS Thing by SpamButcher Anti-Spam Software

DNS Thing is a free tool that lets Windows users perform DNS queries from a graphical interface. It provides commonly looked up information such as IP addresses for hostnames or MX records for domains.

dns nslookup dig ping traceroute tracert mx cname ip soa domain hostname host

FTGate by FTGate Technology Ltd

FTGate4 is a powerful Windows mail server with comprehensive Groupware functionality. Features include calendaring, contacts, IMAP, anti-spam , anti-virus support, multiple domains, Web Administration, WebMail, instant messaging, SPF,SSL + more.

mail server groupware pop3 smtp imap shared calendars shared address books shared contacts anti-virus anti-spam shared folders

iNetQuery by atrium software international

iNetQuery is a powerful Internet utility for network monitoring. Special query features, like DNS, Whois or NetStat, can be used to determine detailed information about domains, hostnames or network providers.

network.internet tools netstat whois dns ping traceroute spf query