A remote financial institution is implementing email encryption. It is required that all inbound emails use SMTP over TLS. What must be done to accomplish this?
A.
Disable TLS certificates.
B.
Utilize Cisco Registered Envelope Service.
C.
Leverage Cisco Talos Threat Intelligence Group.
D.
Enable Application Inspection and Control for SMTP.
B is Correct.
Using TLS Delivery
Transport Layer Security (TLS) delivery allows Encryption Service-originated messages such as secure replies to be delivered encrypted back to the sending domain without having to use an envelope.
You can enable TLS delivery to provide a secure method of delivering email without requiring end users to log in to Encryption Service or install the encryption plug-in to receive or view email.
TLS is enabled on a per-account basis. For each account, you specify one or more TLS domains and error handling behavior.
Note:
From Encryption Service 5.4.1 release onwards, there is no support for domains with only TLS 1.0 enabled for mail delivery. You need to migrate to TLS 1.1 or higher.
https://www.cisco.com/c/en/us/td/docs/security/email_encryption/olh/admin/b_Admin_Guide_latest/b_Admin_Guide_chapter_0100.html#con_7787262
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hakimbenda
10 months agoGVKD
10 months, 1 week agomipetric93
10 months, 1 week ago