To require mail coming inbound to Email Gateway Defense to use a TLS connection, use the SMTP Encryption section on the Domains > Edit Settings page for each domain.
Use the Require TLS to Barracuda from these domains list to require a TLS connection from certain domains to Barracuda. You can manually add specific domains one at a time or use the Bulk Edit button.
Note: TLS provides secure transmission of email content, both inbound and outbound, over an encrypted channel using the Secure Sockets Layer (SSL). If a TLS connection cannot be established, then the mail will not be delivered.
To require mail coming inbound to Email Gateway Defense to use a TLS connection, use the SMTP Encryption section on the Domains > Edit Settings page for each domain.
Use the Require TLS to Barracuda from these domains list to require a TLS connection from certain domains to Barracuda. You can manually add specific domains one at a time or use the Bulk Edit button.
Note: TLS provides secure transmission of email content, both inbound and outbound, over an encrypted channel using the Secure Sockets Layer (SSL). If a TLS connection cannot be established, then the mail will not be delivered.
Note that when you select Don’t Encrypt on a Message Content Filter and Encrypt on a Predefined Filter, the Message Content Filter exemption takes precedence over the Predefined Filter and the message will not be encrypted.
]]>Note that when you select Don’t Encrypt on a Message Content Filter and Encrypt on a Predefined Filter, the Message Content Filter exemption takes precedence over the Predefined Filter and the message will not be encrypted.
]]>Exempt Senders – Specify whether users can exempt messages from a specific email address or domain on the Settings > Sender Policy page.
Allow users to exempt senders – Users can exempt senders, and user exemptions override account and domain admin block lists.
Allow users to exempt senders but do not override admin block lists – Users can exempt senders, but account and domain admin block lists take precedence over user exemptions.
Do not allow users to exempt senders – Users cannot exempt senders.
Exempt Senders – Specify whether users can exempt messages from a specific email address or domain on the Settings > Sender Policy page.
Allow users to exempt senders – Users can exempt senders, and user exemptions override account and domain admin block lists.
Allow users to exempt senders but do not override admin block lists – Users can exempt senders, but account and domain admin block lists take precedence over user exemptions.
Do not allow users to exempt senders – Users cannot exempt senders.