Property reference

`email.outbound.smime.encryption.algo`

The email.outbound.smime.encryption.algo property specifies the encryption algorithm used for outbound S/MIME emails. Admins should review this setting to ensure compatibility with recipient systems and to maintain secure email communications.

Default: AES-CBC
Type: choice list
Application: Global

Key questions about this property

The answers below summarize the purpose, scope, default effect, and review scenarios for this property.

What does it do?	This property determines the encryption algorithm for outbound S/MIME emails, allowing options like AES-CBC or AES-GCM.
What area does it affect?	Email Properties
What does the default mean?	The default value is "AES-CBC", which is the baseline setting used unless it is changed.
When should you review it?	Review this property when configuring outbound email security settings or when changing encryption requirements.

Out of the box property record

Raw metadata from the property record.

Property name	`email.outbound.smime.encryption.algo`
Sys ID	`be5327d2c31230107a9240c1d840dded`
Type	choice list
Application	Global
Default value	`AES-CBC`
Description	Encryption algorithm
Updated	2025-12-03 07:46:53

Sources

Official references and nearby text excerpts where this property appears.

Brazil docs View supporting context

Context preview Snippet 1

... the outbound email. email.outbound.smime.signing.send_public_cert Encrypt message contents and attachments. email.outbound.smime.encryption.enabled Encryption algorithm. Select AES-CBC or AES-GCM. Note: Before selecting AES-GCM, check whether GCM is supported by the client for S/MIME. email.outbound.smime.encryption.algo © 2026 ServiceNow, Inc. All rights reserved. ServiceNow, the ServiceNow logo, Now, and other ServiceNow marks are trademarks and/or registered trademarks of ServiceNow, Inc., in the United States and/or other ...

More in `email`

Other properties in the same namespace.

email.inbound.smime.decrypt This property determines whether inbound emails that are encrypted using S/MIME can be decrypted for processin email.inbound.smime.ignore_unverified_emails This property configures the system to disregard inbound emails if their digital signatures cannot be verified email.inbound.smime.verify_sign This property determines whether the system verifies the signatures of inbound emails, enhancing security by c email.outbound.smime.encryption.enabled This property controls whether outbound email contents and attachments are encrypted using S/MIME, enhancing s email.outbound.smime.signing.enabled It allows for the digital signing of outbound emails, providing a layer of security and authenticity for email email.outbound.smime.signing.send_public_cert It configures the system to send a public certificate with outbound emails to facilitate S/MIME signing.

All 7 properties in email →