Test DomainKeys/DKIM Signature


Use AdminSystem Online Tool to test DKIM/DomainKeys/SPF

You can use this online tool to test DomainKeys/DKIM/SPF.

Online DKIM Test Tool
Online DomainKeys Test Tool
Online SPF Test Tool

DKIM test

Use Gmail to test DKIM/DomainKeys

If you have a Gmail account, you can send a test email to your Gmail email address. Open your email in Gmail web mail, and click "show details". If there is "signed-by: your domain", your DKIM signature is ok.

Gmail DKIM

Use Yahoo to test DKIM/DomainKeys

If you have a Yahoo account, you can send an email to your Yahoo email address to test DKIM/DomainKeys signature. Open your email in Yahoo web mail, and click "Full Header". If there is "dkim=pass" in your email header, your DKIM signature is ok.

Yahoo DKIM

>>Troubleshooting
>> Using Selector
>> Using Sender Rule

See Also

Using DomainKeys/DKIM
Deploy Public Key in DNS server
Troubleshooting
Using Selector
Using Sender Rule
Appendix - Set up SPF record in DNS server
Appendix - Set up DMARC record
Appendix - DKIM/SPF/DMARC Inbound Authentication in Exchange Server
Appendix - Use DkimPowerShell Module in PowerShell

Online

DKIM in IIS SMTP Service - Tutorial
DKIM in Exchange Server 2003/2000 - Tutorial
DKIM in Exchange Server 2007/2010/2013/2016 - Tutorial

DKIM/SPF/DMARC Inbound Authentication in Exchange Server
Bulk Email Sender Guidelines