r362880 GENERIC amd64 13:20:16 [root@****** /usr/ports/security/cyrus-sasl2] # sockstat -lw -p 25 -P tcp USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS postfix smtpd 69886 6 tcp4 *:25 *:* postfix smtpd 69884 6 tcp4 *:25 *:* postfix smtpd 69882 6 tcp4 *:25 *:* postfix smtpd 69880 6 tcp4 *:25 *:* postfix smtpd 69878 6 tcp4 *:25 *:* postfix smtpd 69876 6 tcp4 *:25 *:* postfix smtpd 69874 6 tcp4 *:25 *:* postfix smtpd 69872 6 tcp4 *:25 *:* postfix smtpd 69870 6 tcp4 *:25 *:* root master 59718 13 tcp4 *:25 *:* root sendmail 7225 4 tcp4 10.0.0.3:25 *:* 13:20:17 [root@****** /usr/ports/security/cyrus-sasl2] # 13:20:54 [root@****** /usr/ports/mail] # service postfix STOP /usr/local/etc/rc.d/postfix: unknown directive 'STOP'. Usage: /usr/local/etc/rc.d/postfix [fast|force|one|quiet](start|stop|restart|rcvar|enable|disable|delete|enabled|describe|extracommands|reload|status|poll) 13:21:03 [root@****** /usr/ports/mail] # service postfix stop postfix/postfix-script: stopping the Postfix mail system 13:21:08 [root@****** /usr/ports/mail] # 13:21:24 [root@****** /usr/ports/mail] # sockstat -lw -p 25 -P tcp USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS root sendmail 7225 4 tcp4 10.0.0.3:25 *:* 13:21:24 [root@****** /usr/ports/mail] # 13:21:42 [root@p****** /usr/ports/mail] # service postfix start postfix/postfix-script: starting the Postfix mail system 13:21:49 [root@******/usr/ports/mail] # sockstat -lw -p 25 -P tcp USER COMMAND PID FD PROTO LOCAL ADDRESS FOREIGN ADDRESS root master 70398 13 tcp4 *:25 *:* root sendmail 7225 4 tcp4 10.0.0.3:25 *:*
^Triage: To submitter: can you please provide a more descriptive Summary? Thanks.
writes that the socket is busy
What writes that the sockets are busy? Postfix startup? Are you trying to bind postfix to a port already bound by sendmail? What happens when you stop sendmail first, then restart postfix?
Please feel free to re-open with the feedback requested in comment 3.