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Description of problem: If you change the DaemonPortOptions=Port=25 to DaemonPortOptions=Port=125 the MTA will not start. You can start the MTA at the command line with "/usr/sbin/sendmail -bd -q1h. Version-Release number of selected component (if applicable): Version 6.1 How reproducible: Everytime. Steps to Reproduce: 1./etc/init.d/sendmail stop 2.change the DaemonPortOptions=Port=125 3./etc/init.d/sendmail start Actual results: Looks like it starts, but only the client actually starts. maillog stats that Mar 12 09:42:48 mail sendmail[1828]: starting daemon (8.14.4): SMTP+queueing@01:00:00 Mar 12 09:42:48 mail sendmail[1828]: NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA: cannot bind: Permission denied Mar 12 09:42:48 mail sendmail[1828]: daemon MTA: problem creating SMTP socket Mar 12 09:42:48 mail sendmail[1828]: NOQUEUE: SYSERR(root): opendaemonsocket: daemon MTA: server SMTP socket wedged: exiting Expected results: Additional info: If you after this enter at the command line as root /usr/sbin/sendmail -bd -q1h Sendmail works fine on port 125.
It looks like SELinux, you need to mark your new port as SMTP, i.e. by: # yum install policycoreutils-python # semanage port -a -t smtp_port_t -p tcp 125 or disable SELinux (not recommended), one-shot for running session: # setenforce 0 According to the above I am closing this as NOTABUG. If the problem persists, feel free to reopen.