IIS 7 and Above
DKIM for IIS SMTP
Last post Nov 06, 2018 06:59 AM by superware
Oct 01, 2018 10:18 PM|RK80|LINK
We relay all our mails to gmail servers using our local IIS SMTP servers. We would like to configure DKIM at IIS SMTP level so that all the messages will be marked with a digital key that can be validated with our DNS txt record by the receving end of the
We found some third party tools to implement DKIM for IIS SMTP which is working fine but we are trying to do same thing within IIS SMTP server without using any third party tools.
Does IIS SMTP support DKIM by it self without any third party tools ? How to configure DKIM for IIS SMTP ?
Oct 01, 2018 11:34 PM|lextm|LINK
IIS SMTP hasn't been updated since 2003, while DKIM is something after 2004, https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail
Therefore, you should expect no support from IIS SMTP itself, and switch to a third party product.
Nov 06, 2018 06:59 AM|superware|LINK
Although there's no built-in support, you can use an external component such as
ThinkDKIM for IIS SMTP to easily get the job done.
[Disclaimer: the author]