Apple Mail signatures not appearing in replies

I have created signatures for all my email accounts (I have three). When using Apple's mail app, if I create a new message, the signature appears. I can also select other signatures from my list. However, when I am replying to a message, I cannot get any of the selected signatures to appear. Am I missing a setting, or something?

MacBook Pro (M1, 2020)

Posted on Jan 22, 2026 7:06 AM

Reply
Question marked as Top-ranking reply

Posted on Feb 5, 2026 1:48 AM

Yes, this is usually related to Mail → Settings → Signatures → “Choose Signature” behavior for each account.


In Apple Mail, replies can be set to use:


  • the same signature as new emails
  • a random signature
  • or no signature


Check each account and make sure it’s not set to “None” or something different for replies.


Also worth noting — Apple Mail signatures can behave inconsistently across accounts and reply chains. Some people avoid this by creating a single HTML signature in tools like MySignature and pasting it into Mail, since it keeps formatting and makes it easier to reuse across accounts and devices.

3 replies
Question marked as Top-ranking reply

Feb 5, 2026 1:48 AM in response to DDFlorida

Yes, this is usually related to Mail → Settings → Signatures → “Choose Signature” behavior for each account.


In Apple Mail, replies can be set to use:


  • the same signature as new emails
  • a random signature
  • or no signature


Check each account and make sure it’s not set to “None” or something different for replies.


Also worth noting — Apple Mail signatures can behave inconsistently across accounts and reply chains. Some people avoid this by creating a single HTML signature in tools like MySignature and pasting it into Mail, since it keeps formatting and makes it easier to reuse across accounts and devices.

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Apple Mail signatures not appearing in replies

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