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Allow switch DKIM 1024 to 2048

Mailgun supports now DKIM 2048 that is told to be better for avoiding spammers .
All previously added domains has DKIM 1024.
I propose a feature allowing to switch DKIM 1024 to 2048 keeping all other settings (without requiring to remove domain with all its settings and then to re-add).

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Anonymous shared this idea  ·   ·  Report…  ·  Admin →
completed  ·  AdminChris Farmer (Product Manager, Mailgun) responded  · 

Hi all,


Apologies for the delay here. We have released the ability to manage multiple DKIM keys for a sending domain, and this process will allow you to choose 1024 or 2048 bit key lengths, allowing you to switch from one to another. Please see the following help article for information on how to perform this action: https://help.mailgun.com/hc/en-us/articles/16956951504539-How-do-I-rotate-my-DKIM-key-

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  • Thang Nguyen commented  ·   ·  Report

    Any updates on this feature since it is now past the January target? Still planning on Q1 2023?

  • Roeland Salij commented  ·   ·  Report

    Hi Chris,
    Any updates regarding the planning or ETA?

  • Jim Kinter commented  ·   ·  Report

    With more vulnerability/security scanning happening, (which is how we found some of ours still at 1024) I would think this would start being a high priority for many.
    Deleting the entire domain and recreating seems painfully unrealistic.

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