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/