fatal: parameter inet_interfaces: no local interface found for ::1

Issue

• Errors in maillog after applying postfix update and when ipv6 is disabled.
• After applying errata and updating postfix from 2.6.6-2.2 to 2.6.6-6 I'm seeing the following errors in /var/log/maillog

Aug 26 10:04:00 hostname postfix/pickup[24754]: fatal: parameter inet_interfaces: no local interface found for ::1
Aug 26 10:04:01 hostname postfix/master[1895]: warning: process /usr/libexec/postfix/pickup pid 24754 exit status 1
Aug 26 10:04:01 hostname postfix/master[1895]: warning: /usr/libexec/postfix/pickup: bad command startup -- throttling
Aug 26 10:04:01 hostname aliasesdb: /usr/sbin/postconf: fatal: parameter inet_interfaces: no local interface found for ::1

• Unable to send outgoing email.