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Postfix log warning information in InterScan Messaging Security Virtual Appliance (IMSVA) 9.1

    • Updated:
    • 15 Aug 2016
    • Product/Version:
    • InterScan Messaging Security Virtual Appliance 9.1
    • Platform:
    • CentOS 6 64-bit
Summary

Warning in Postfix maillog file may appear as the following:

Aug  1 15:36:45 imsva235 postfix/cleanup[26388]: A024B1A03B: warning: header X-IMSS-TLS-USAGE: Used from unknown[10.64.1.1]; from=<test1@test1.com> to=<test2@test2.com> proto=ESMTP helo=<test>: Used TLS for UNKNOWN

Aug 1 15:32:25 imsva235 postfix/smtpd[12348]: warning: proxy inet:127.0.0.1:10020 rejected "RCPT TO: <test@test.com>": "421 Service not available,closing transmission channel"
Details
Public

This is normal message, and there is need to be alarmed about it.

In the first message, Postfix 2.8 displays an information instead of a warning. IMSVA 9.1 uses Postfix 2.7.1, so that it contains this information. In future versions, IMSVA will upgrade Postfix version to enhance this.

In the second message, FoxProxy module rejected the mail, causing Postfix to this warning. This is an expected result.

Premium
Internal
Rating:
Category:
Troubleshoot; Upgrade
Solution Id:
1115010
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