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tracking_link_expiry — set the expiration time for engagement tracking for SMTP injections


Tracking_Link_Expiry = 31536000


**Configuration Change. ** This option is available as of version 4.1-HF4.

If open or click tracking is enabled, this option determines the amount of time, in seconds, that Momentum will wait for an engagement event in SMTP-injected messages.

This option can be set to any integer value.

The default value is 31536000 seconds (365 days).

The corresponding context variable is smtpapi_tracking_link_expiry. There is no corresponding X-MSYS-API header field.


tracking_link_expiry is valid in the esmtp_listener, listen, pathway, pathway_group, and peer scope.

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