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2048-bit RSA Encryption for DKIM Keys Required

  • May 21, 2026
  • 2 replies
  • 53 views

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  • Contributor I

As a business we are now required to discontinue use of your services due to the inability to support 2048-bit RSA–encrypted DKIM keys, which are mandatory under our internal corporate security policy for configuring a branded sending domain.
 

I wanted to understand if there are any plans on your roadmap to support 2048‑bit DKIM encryption keys.
 

Best answer by GabbyEsposito

@S.O We don’t have public documentation confirming roadmap plans for 2048-bit DKIM keys

2 replies

GabbyEsposito
Community Manager
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  • Community Manager
  • Answer
  • May 26, 2026

@S.O We don’t have public documentation confirming roadmap plans for 2048-bit DKIM keys


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if 2048-bit dkm supportt avilible yet, an official roadmap update would be greatly appreciated. Many organizations now require 2048-bit RSA keys for compliance and security, so knowing whether this feature is planned would help customers make informed decisions.