the ip access-group 102 in and out should be placed in the interface where the inbound smtp request is expected and if the outboud is expected to go out the same interface then you place the ip access-group 102 in/out on that interface.
in your case smtp is in x.x.x.214 subnet on interface FastEthernet0/0.667
We are pleased to announce availability of Beta software for 16.6.3. 16.6.3 will be the second rebuild on the 16.6 release train targeted towards Catalyst 9500/9400/9300/3850/3650 switching platforms. We are looking for early feedback from custome...