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Check incoming test IP in logs


1 comment

  • mtindor

    grep mxtoolbox /var/log/exim_mainlog

    [root@bob ~]# grep mxtoolbox /var/log/exim_mainlog
    2024-04-23 10:42:01 []:35606 Warning: Sender rate 1.0 / 1h
    2024-04-23 10:42:01 []:35606 F=<> rejected RCPT <>: Rejected relay attempt: '' From: '' To: ''
    2024-04-23 10:42:01 []:35606 Warning: "Detected session with all messages failed"
    2024-04-23 10:42:01 []:35606 Warning: "Increment slow_fail_block Ratelimit - []:35606 because of all messages failed"
    2024-04-23 10:42:01 SMTP connection from []:35606 closed by QUIT

    It appears that SMTP tests from MXToolbox are going to come from hostnames ending in and are going to have a FROM address of

    So you could grep any of those values in /var/log/exim_mainlog to see the IP that MXToolbox used to connect to your server, or to see if MXToolbox was successful in connecting at all.


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