Issue
1)What is the function of Directpath?
2)In which cases did you recommend use this mode?
3)What are the disadvantages of use?
4)What is the diference with fastpath?
Solution
This can be explained as DirectPath is a specific version of the FastPath message transfer agent (MTA) that does all of its processing in memory.
-It does not acknowledge receipt of a message until the message has been fully processed and delivered on the backend.
-The DirectPath MTA waits until the final destination for the email acknowledges receipt of the email before issuing a receipt acknowledgment to the mail server attempting to send the email through the Mirapoint appliance.
-These two features create a "stateless" MTA, that can guarantee delivery of email and provide the fastest possible processing available in the Mirapoint appliance.
-In order to provide this fast processing and this guarantee of delivery, this MTA is not available with LDAP routing, and is best suited for environments where routing is not required (e.g., single mail server environments) or where existing mail routing solutions exist.
The disadvantages are:
DirectPath does not support following features,
Antispam
Antivirus
autoprovisioning
autoreply
DL expansion
domain filtering
domain signature
forwarding
LDAP mailgroups
LDAP service interruptions
masquerade
more than 20 recipients
RBL header
quarantine
Please check CLI > help smtp set fastpath, you will observe that DirectPath is one of the modes of FastPath that requires a license.
You can enable that using following command:
CLI> smtp set fastpath direct.
Contact Mirapoint support if you have any more questions regarding this.
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