執行mconnect,如果Sendmail有正常啟動話,就可用SMTP的指令來進一步測試
# mconnect
connecting to host localhost (127.0.0.1), port 25
connection open
220 sol.ccc.com.tw ESMTP Sendmail 8.14.5+Sun/8.14.5; Wed, 25 Jun 2014 14:31:10 +0800 (CST)
help <--輸入help查看其他的指令
214-2.0.0 This is sendmail version 8.14.5+Sun
214-2.0.0 Topics:
214-2.0.0 HELO EHLO MAIL RCPT DATA
214-2.0.0 RSET NOOP QUIT HELP VRFY
214-2.0.0 EXPN VERB ETRN DSN STARTTLS
214-2.0.0 For more info use "HELP <topic>".
214-2.0.0 To report bugs in the implementation contact Sun Microsystems
214-2.0.0 Technical Support.
214-2.0.0 For local information send email to Postmaster at your site.
214 2.0.0 End of HELP info
執行下列的指令可以查詢Sendmail的資訊
# sendmail -bt -d0 </dev/null
Version 8.14.5+Sun
Compiled with: DNSMAP LDAPMAP LOG MAP_REGEX MATCHGECOS MILTER MIME7TO8
MIME8TO7 NAMED_BIND NDBM NETINET NETINET6 NETUNIX NEWDB NIS
NISPLUS PIPELINING SCANF STARTTLS TCPWRAPPERS USERDB
USE_LDAP_INIT XDEBUG
============ SYSTEM IDENTITY (after readcf) ============
(short domain name) $w = test
(canonical domain name) $j = test.ccc.com.tw
(subdomain name) $m = ccc.com.tw
(node name) $k = test
========================================================
ADDRESS TEST MODE (ruleset 3 NOT automatically invoked)
Enter <ruleset> <address>