Sending Secure Email with Proofpoint

The Proofpoint Secure email feature provides a safe and encrypted way to send sensitive and/or private data to people outside of Tufts. These are messages to non-Tufts email addresses (e.g.,, etc.).

To send a secure email message:

  1. Place the word "secure" in square brackets in the Subject line, any capitalization will work. The Subject may contain other information as well.example 1: [secure] This is an encrypted message example 2: Private information [secure]Proofpoint secure email subject line
  2. Complete the email body as usual and click Send.

To read the secure message, the recipient clicks the link labeled Click here to read your message in the message and the encrypted message will be decoded and presented.

Secure mail link

The recipient may reply to the message or attach a file.

Note: If the recipient sees red or blue X icons in their browser, their email client is blocking images. These images are just the Tufts logo and the encrypted email symbol. They can display the images or ignore them without affecting their ability to read the message. If the recipient of your message doesn't receive your message, tell them to check their Junk folder.


QuestionMay I send an encrypted message to myself?Answer: Only if you send the message to a non-Tufts email account.

QuestionCan the recipient forward the message?Answer: Yes. If the non-Tufts recipient elects to forward the message to another recipient, it can be read.

Question: Why does the message warn the recipient that they have 45 days to read the message or download it as an attachment?Answer: After 45 days, the server that stores the message archives the message. The recipient can still read the message but it has to be downloaded as an attachment.

Question: Can the message be read on a smartphone?Answer: Probably. If the recipient selects Click here most smartphones can follow the link to the encrypted message. Most smartphones have trouble downloading the message as an attachment though. The recipient will probably have to download the attachment on a computer.

For more information or questions, please contact