Change of SPF, DKIM, DMARC right After Send Email Campaign

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Dear

I had set the SPF, DKIM, DMARC correctly with the with the ESP system, right after I change send out the campagin, I do see all email send/delivered.

Can I immediately change of SPF, DKIM, DMARC?
example change from ESP1 to ESP2's record?

As my understanding, as long msg reach receipient end. Should be no problem to do the changes.
Correct me if I am wrong.

Do share me more detail. TQ
#campaign #change #dkim #dmarc #email #send #spf
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  • Profile picture of the author calvynlee
    any one can help to comment?
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  • Hi calvynlee, yes you can do that as long you're sure the emails were all delivered.
    The checks are done during the smtp transaction so nothing special is going to happen afterwards.
    Keep in mind that DNS records usually sometimes take time to update and on ESP2 you must be sure that they new settings are in effect before sending the new camp.
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  • Profile picture of the author sendizo
    Originally Posted by calvynlee View Post

    Can I immediately change of SPF, DKIM, DMARC?
    example change from ESP1 to ESP2's record?

    If you change the DNS record from ESP1 to ESP2 right after email got delivered. recipient will receive emails from ESP1 Record.

    Thats because once emails gets delivered to recipient mailbox. the recorded DNS are the original one they came from. so if you change them, i dont believe they will make any different.
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