topic Re: Restrict Outbound SMTP Traffic in Network Security https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223067#M860786 <HTML><HEAD></HEAD><BODY><P>That worked, thank you much!</P></BODY></HTML> Thu, 16 Apr 2009 13:14:44 GMT rmwhite59 2009-04-16T13:14:44Z Restrict Outbound SMTP Traffic https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223065#M860784 <P>I need to restrict outbound smtp traffic to internal host 192.168.1.12 I have applied the following but no success:</P><P></P><P>access-list outgoing permit tcp host 192.168.1.12 any eq smtp</P><P>access-list outgoing deny tcp host 192.168.1.0 any eq smtp</P><P>access-list outgoing permit ip any any</P><P>access-group outgoing in interface inside</P> Mon, 11 Mar 2019 15:19:33 GMT https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223065#M860784 rmwhite59 2019-03-11T15:19:33Z Re: Restrict Outbound SMTP Traffic https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223066#M860785 <HTML><HEAD></HEAD><BODY><P>Change...</P><P></P><P>access-list outgoing deny tcp host 192.168.1.0 any eq smtp </P><P></P><P>to</P><P></P><P>access-list outgoing deny tcp 192.168.1.0 255.255.255.0 any eq smtp </P><P></P></BODY></HTML> Thu, 16 Apr 2009 12:49:59 GMT https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223066#M860785 acomiskey 2009-04-16T12:49:59Z Re: Restrict Outbound SMTP Traffic https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223067#M860786 <HTML><HEAD></HEAD><BODY><P>That worked, thank you much!</P></BODY></HTML> Thu, 16 Apr 2009 13:14:44 GMT https://community.cisco.com/t5/network-security/restrict-outbound-smtp-traffic/m-p/1223067#M860786 rmwhite59 2009-04-16T13:14:44Z