This XenForo 2.x addon sends a summary of XenForo logs to administrators via email.
Currently only server error logs are implemented.
This runs using a XenForo cron task and can be configured to check for new log entries on a fixed interval (minimum 5 minutes). So you could have it send a daily or weekly digest if you aren't interested in receiving emails more frequently.
You can also configure a maximum number of logs to include in each email (if more than the maximum logs exist...
