Can not send mail for syslog alert using default From mail user

[yingbaiibm]

1. Add a syslog alert rule and trigger it, make it send mail to a user
2. Error exist in log

2020/03/27 01:35:04 - CMDPHP MAILER ERROR Backtrace: (/plugins/syslog/syslog_process.php[422]:syslog_sendemail(), /plugins/syslog/functions.php[53]:mailer(), /lib/functions.php[3527]:record_mailer_error(), /lib/functions.php[3733]:cacti_debug_backtrace())

2020/03/27 01:35:04 - CMDPHP MAILER ERROR: Invalid address: (From): root@localhost

If does not set From Email Address under Configuration - Settings - Mail/Reporting/DNS, using default from mail user will get this problem

rhel8.2 x64
Cacti 1.2.10
Syslog 2.7
FF 74

[TheWitness]

This is a Cacti issue and will be fixed there.

[ddb4github]

syslog_process.php use default root@localhost like thold Cacti@localhost

[TheWitness]

Pull request would be fine.