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javymarmol/centos_send_mail.txt

Created July 11, 2019 17:39
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solve "Connection could not be established with host smtp"?
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centos_send_mail.txt
If your SELinux is in enforcing mode, you need to turn on httpd_can_sendmail and httpd_can_network_connect booleans.
You can verify if SELinux status is enforcing by running this command:
$ sestatus
...
Current mode: enforcing
...
Check status of httpd sendmail and network connect booleans:
$ getsebool httpd_can_sendmail httpd_can_network_connect
httpd_can_sendmail --> off
httpd_can_network_connect --> off
To enable sendmail and network connect and make changes persistant across reboots:
$ sudo setsebool -P httpd_can_sendmail 1
$ sudo setsebool -P httpd_can_network_connect 1
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