Securemail allows secure email to be sent to external entities

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What is Securemail?

Securemail is Texas Children’s email encryption service that allows secure email communication from Texas Children’s to patients, families, and other external entities.

Does Securemail encrypt internal email?

No. Messages sent within Texas Children’s and Baylor College of Medicine are already encrypted during transmission. In fact, you cannot use the Securemail function to email addresses with these entities.

Please note: Texas Children’s email to and from St. Luke’s or Methodist is not automatically encrypted.

How do I encrypt a message?

  1. To send an encrypted message through Outlook, OWA, or a mobile phone, include “!secure!” in the subject line.
  2. Address and send your email as you normally would. The system automatically encrypts the message.


  • !secure! is case-sensitive.
  • !secure! can appear anywhere in the subject line.
  • The recipient will see !secure! in the subject line of the message they receive.

As the sender, do I have to log into the Securemail site?

No, Texas Children’s users should never log into Securemail. It is intended strictly for external users to retrieve their messages.
Replies sent to you through Securemail will be delivered to your Outlook Inbox as normal messages.

You can use standard e-mail to send Recipient FAQs to patient families.

Who do I contact if I have questions about Securemail?

Call the IS Service Desk at Ext. 4 -3512 or (832) 824-3512.

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