Use the CLI commands in this procedure to reset the MTA access restriction to the default configuration.
Note
The default configuration is
0.0.0.0/0 [::/0], which supports all MTA hosts.
To reset the MTA access restriction:
Go to CLI configuration mode.
hostname > enable hostname # configure terminal
Reload the default configuration.
hostname (config) # no email-analysis mta mynetworks
Verify the default configuration for both IPv4 and IPv6.
hostname (config) # show email-analysis mta mynetworks0.0.0.0/0 [::/0]Save your changes.
hostname (config) # write memory