8 Replies Latest reply: Jun 28, 2012 2:47 PM by ProximaCentauri
Ceottaki Level 1 Level 1

Hello there.


I have installed my certificate to use S/MIME with my Gmail account on my iPhone and I turned on the option to sign all outgoing emails, but the emails aren't being recognized as signed when I send a message. If I look at the email on my Gmail sent items using Gmail's web interface, there is an attachment in the sent mail called smime.p7s but Outlook didn't recognize the email as signed (and didn't show the attachment either), and neither did my iPhone (sending a msg to myself).


Using the same certificate, if I send a message using Outlook on my PC, it works fine.


Anybody had the same problem / know a solution?





iPhone 4S, iOS 5.0.1
Reply by ProximaCentauri on Jun 28, 2012 2:47 PM Helpful



Meanwhile I've found a workaround, you can read at my thread here:




The point is: there's a bug with configuring mail as an Exchange mailbox and SMIME support on iOS 5.x.x, in my situation, the workaround was to pick up an additional mailbox for the same mail account and configure it as a gmail mailbox, then set is as default sender mailbox. My account is a google account which is managed by my own domain with google apps. If the account is configured as a gmail mailbox, the signature is recognized by Outlook and iOS clients as well.




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