Enable secure email delivery using TLS certificates


Article ID: 177958


Updated On:


Messaging Gateway


Learn how to provide secure email delivery with Symantec Messaging Gateway (SMG) using Transport Layer Security (TLS) certificates.


  1. Install a TLS certificate. See Methods to add a Certificate Authority signed certificate.
  2. Assign the TLS certificate to the scanner. See Assigning an MTA TLS certificate to a Scanner.
  3. Enable opportunistic TLS delivery. See Enable opportunistic TLS for delivery of all email messages.
  4. Verify TLS delivery for each local domain. See Enforce TLS connections inbound from and outbound to a specific domain.