Direct integration is the type of integration where Kaspersky Secure Mail Gateway receives email messages directly from the Internet and relays them to internal mail servers, and also receives messages from internal mail servers and relays them to the Internet.
To configure direct integration of Kaspersky Secure Mail Gateway into the corporate mail infrastructure:
In the record creation window, add the relevant domain or subdomain and turn on the Local domain switch.
By default, Kaspersky Secure Mail Gateway uses the settings of the DNS server for email routing. You can manually configure email routing for an individual domain.
If local domains are not specified, Kaspersky Secure Mail Gateway will not be receiving messages for internal mail servers.
Kaspersky Secure Mail Gateway will receive messages from untrusted sources only for specified domains. Messages from untrusted sources intended for other domains are rejected.
As a rule, these are internal networks and network hosts of the organization.
If trusted networks are not specified, Kaspersky Secure Mail Gateway will not be receiving messages from internal mail servers and relaying them outside the network of your organization.
The application rejects the message if the recipient's server is unavailable or rejects the request (reject_unverified_recipient).
SMTP Recipient Address Verification is not performed when Kaspersky Secure Mail Gateway receives messages from trusted network hosts.
If SMTP verification of recipient addresses is disabled, a delivery failure notification is sent when an attempt is made to deliver a message to a nonexistent address. This increases the volume of email traffic and may increase the load on the mail server.
The integration of Kaspersky Secure Mail Gateway into the existing corporate email infrastructure is configured.
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