MailExtension cannot block sending a mail

App & System Services General
__Builder__ OP
Created Nov ’21
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when I throw an exception in the func allowMessageSendForSession(_ session: MEComposeSession), the mail.app will show alert with two buttons: "cancel" and "send anyway", if I press the "send anyway" then the mail will be sent successfully!

I'm wondering: how to really stop sending email？

Thanks

Replies  1
Boosts  0
Views  628
Participants  2
Martijn OP
Nov ’21

How about pressing the Cancel button?

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MailExtension cannot block sending a mail
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