Hi there,
Please try to send an encrpyted email while debug logging is activated.
Below you will find the instructions:
1. start a shell (Terminal.app) and type the following to enable debug logging for PGP Desktop
# defaults write com.pgp.engine debugMenu 1
# defaults write com.pgp.engine debugLogging 1
2. Now reboot the computer or restart PGPtray (press ALT + click PGPtray icon and select "Quit" then restart PGP) .
3. Try to send an encrypted email.
4. Gather the log and attach it to this thread. The log files are located in "$HOME/Library/Logs/PGP"
5. Disable debug logging
# defaults write com.pgp.engine debugMenu 0
# defaults write com.pgp.engine debugLogging 0
Also please provide us the detail information about the email client you are using.
Thanks.
Best Regards,
bipshr