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[STRM] How to troubleshoot mail issues on STRM

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Article ID: KB21600 KB Last Updated: 10 Aug 2011Version: 1.0
Summary:
STRM is generating alerts and notifications, but they are not being received.
Symptoms:
Please see the steps below for possible causes of this issue.
Solution:
  1. Improper or missing mail server configuration for all hosts in the deployment:   Please see KB12389 for assistance verifying the current mail server configuration.
  2. DNS configuration:     The 'sendmail' service installed on STRM appliances requires that DNS is available, even when using a mail relay server that delivers all email messages. Ensure that DNS is configured properly and can resolve domains you are sending email to, before trying to send email messages. If DNS services are not available in your environment, please contact JTAC for further assistance with this.
  3. Blocked traffic:     Ensure that port 25 is not being blocked to the mail server/relay. 

Note: Each flow and event processor in your system can generate email messages when flows or events match rules you have created that have a response of "email".   These email messages come directly from the flow & event processors, therefore ensure all of the above is true for the managed hosts in your deployment as well.
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