What do these logs mean on my slackware 14.2 server's maillog?
by cesarsj from LinuxQuestions.org on (#52VF7)
I didn't find any process called sendmail, and in /etc/rc.d/rc.sendmail it has no execution attribute. What is registering these lines? It's normal? Does it consume processing?
Apr 29 18:30:01 zbx sendmail[20218]: 03TLU1a1020218: from=root, size=381, class=0, nrcpts=1, msgid=<202004292130.03TLU1a1020218@server.local>, relay=root@localhost
Apr 29 18:30:01 zbx sendmail[20218]: 03TLU1a1020218: to=root, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30381, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]


Apr 29 18:30:01 zbx sendmail[20218]: 03TLU1a1020218: from=root, size=381, class=0, nrcpts=1, msgid=<202004292130.03TLU1a1020218@server.local>, relay=root@localhost
Apr 29 18:30:01 zbx sendmail[20218]: 03TLU1a1020218: to=root, ctladdr=root (0/0), delay=00:00:00, xdelay=00:00:00, mailer=relay, pri=30381, relay=[127.0.0.1] [127.0.0.1], dsn=4.0.0, stat=Deferred: Connection refused by [127.0.0.1]