How to find SMTP Auth user names to find out bulk spam user

How to find SMTP Auth usernames to find a bulk spam user

   KB 21835        Last updated on 07/11/2015  




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Purpose

How to find SMTP Auth usernames to find a bulk spam user.

Resolution

Use the following command line to get the user listing of who authenticated on the SMTP port to send an email:

cat /var/log/zimbra.log | sed -n 's/.*sasl_username=//p' | sort | uniq -c | sort -n
 1 Auser@domain.com
 3 Buser@domain.com
 4 Cuser@domain.com
 5 Duser@domain.com
 36 SPAMMER@domain.com

Additional Content


Verified Against: Zimbra Collaboration 8.6, 8.5, 8.0 Date Created: 04/15/2015
Article ID: https://wiki.zimbra.com/index.php?title=How_to_find_SMTP_Auth_user_names_to_find_out_bulk_spam_user Date Modified: 07/11/2015



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Wiki/KB reviewed by SME1 SME2 Jenny Jarrard Last edit by Jorge de la Cruz
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