There are 2 options to send an encrypted message to someone outside SUNY Downstate as follows:
When composing a new e-mail message click the Options tab, then the drop down under Permission.
In the drop down under Permission choose Encrypt Message.
You should then see a MailTip above the From field that confirms that the message will be encrypted.
Compose your message as normal and click Send when ready.
Type the word Confidential in the Subject field. Compose your message as normal and click Send when ready.