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Troubleshooting EMS events about rejected or failed SMTP attempts

If the system attempted to send an AutoSupport email, but the attempt resulted in an EMS event about a rejected or failed SMTP or an unknown user, you can check the relaying configuration for the mail host to determine whether relaying is denied or incorrectly configured.

About this task

The EMS identifiers for this event are asup.smtp.fail and asup.smtp.reject. You can use the EMS identifiers to view a description of the messages in the Syslog Translator on the NetApp Support Site.

Steps

  1. From a Windows, UNIX, or Linux host, telnet to port 25 of the mail host by entering the following command:
    telnet mailhost 25
  2. Test whether relaying is denied on the mail host.
    1. Enter the following commands:
      HELO DOMAIN NAME
      MAIL FROM: your_email_address
      RCPT TO: autosupport@netapp.com
    2. If you receive a message similar to relaying denied, contact the mail host vendor because relaying is denied. Otherwise, continue to the next step.
  3. Test whether relaying is incorrectly configured on the mail host.
    1. Enter the following commands:
      DATA
      SUBJECT: TESTING
      THIS IS A TEST
      .

      Note: Ensure that you enter the last period (.) on a line by itself. The period indicates to the mail host that the message is complete.

    2. If you receive a message similar to unknown user or unknown mailbox, contact the mail host vendor because relaying is incorrectly configured.