listing of DKIM Implementation

Legend

Role MTA   =  Mail Transfer Agent MUA  =  Mail User Agent Filter =  Email filtering engine Send   =  Mail sending engine Proxy = Intermediary that emulates SMTP MTA Lib  =  DKIM library module

Form Prod = Software or Hardware Svc = Online service       Cost $ =  Fee for use Free  =  No charge for use Open =  Classic open-source license

Functions Sign  =  Performs message signing Valid  =  Performs signature validation DNS  =  Supports DNS administration, adding DKIM key to _domainkey TXT record Assess = Performs an assessment analysis (reputation, accreditation, vouching or the like) based on a domain name that can come from a DKIM validation.

Organization	Package	Form	Role	Cost	Sign	Valid	DNS	Assess
Vircom	modusGate modusMail	Prod	MTA	Free	X	X

DKIM version: as defined by RFC 4870 (no version); and version 1 (cf. RFC 4871);

Version of specification used as basis: RFC 4870, RFC 4871

Name of product/service containing DKIM: SMTPDS, SMTPRS

Software language, if API to capabilities is supplied: C, C++

Status: In development

Availability and how to obtain: contact http://www.vircom.com

Documentation URL:

Licensing: Yahoo! DomainKeys Patent License Agreement v1.2 (RFC 4870); Apache 2.0 (RFC 4871)

Provide text of license, standard citation, or URL to it:

modusMail and modisGate are using freely available libraries and do not modify them in any way:

·       http://sourceforge.net/projects/libdkim/

·       http://domainkeys.sourceforge.net/