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Question

SMTP to use SmartAction - The action is not being processed after the user replied the action through email

  • May 20, 2026
  • 1 reply
  • 11 views
A
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Hi everyone. Is it compulsory to use EWS to interact with SmartAction? Because my company uses SMTP instead.

1 reply

H
Nintex Employee
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  • hoshy_ntxNintex Employee
  • Nintex Employee
  • May 20, 2026

For security reasons Exchange is the only supported SmartActions path.  I believe the reason is that Exchange / Outlook adds a header that can be trusted to identify the user.

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