[SOLVED] Test SMTP settings in monit?

[ehoitinga]

Is it possible to test the SMTP settings entered in the Monit "Genral section"? In particular the settings entered in the section "Alert settings".

In pfSense there was a button "Test SMTP settings". Can something similar be done in OPNSense GUI or on the command line?

When I look in System -> Log files -> General I get the following message:

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Mail: Mailserver response error -- 553 #5.1.8 Domain of sender address <monit@opnsense.mudcrawler.net> does not exist

Can I specify a sender address somewhere? monit@mudcrawler.net in stead of monit@opnsense.mudcrawler.net will do because the domain mudcrawler.net is existent.

In the monit documentation I can find:

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set mail-format {
      from: Monit Support <monit@foo.bar>
  reply-to: support@domain.com
   subject: $SERVICE $EVENT at $DATE
   message: Monit $ACTION $SERVICE at $DATE on $HOST: $DESCRIPTION.
            Yours sincerely,
            monit
 }
But in the file /usr/local/etc/monitrc I can not find this section. Moreover the header of this file says "DO NOT EDIT THIS FILE -- OPNsense auto-generated file"

Is it possible to change the from address somewhere?

Thanks,

Erik

[ehoitinga]

I'm so sorry, the answer was already in my first post. 

In Services: Monit: Settings: AlertSettings [recipient] -> Mail format I filled in the following

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from: [opnsense@domain_that_I_own]
reply-to: [my e-mail address]
subject: Monit Alert --  $EVENT
message: $EVENT Service $SERVICE

Date: $DATE
Action: $ACTION
Host: $HOST
Description: $DESCRIPTION

Your faithful employee,

Monit
Now it is working and upon monit start or restart I recieve an email as specified in mail format.

I'm sorry,

Erik