Windows text editor with the look & feel of the IBM editor SPF. Full keyboard customization, including keyboard macros, full ISPF command set . Built in File Manager. Many functional extensions to ISPF support. Full programmable macro support.
With this tool, your IIS SMTP Service and Exchange Server will be enabled to add DomainKeys / DKIM signature to outgoing emails from specified domain(s).
MailEnable Professional Edition is a enterprise level mail server for Windows 2008 / 2012. It supports SMTP, IMAP and POP3, supports an unlimited amount of email addresses, domains, groups and mailing lists.
A Complete, advanced Mail Server, SurgeMail is secure, easy to install and manage. This email server is fast, reliable and feature rich, with integrated Webmail. Users can create and manage blogs. Advanced spam filtering, enhanced SPF stops most spam
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.
policyd-spf-fs is a policy daemon for Postfix to check SPF records (RCF 4408).
jSPF library is pure Java SPF implementation.
SPF Sendmail milter is a simple Sendmail filter that implements the Sender Policy Framework with the help of the libSPF2 library