==== Required information ====
- iRedMail version (check /etc/iredmail-release): 0.8.7
- Linux/BSD distribution name and version: CentOS 6
- Store mail accounts in which backend (LDAP/MySQL/PGSQL): MySQL
- Web server (Apache or Nginx): Apache
- Manage mail accounts with iRedAdmin-Pro? version 1.8.2
- Related log if you're reporting an issue:
====
tail -f /var/log/maillog | grep 197.242.113.115
Mar 23 20:23:23 mx1 postfix/smtpd[24469]: 8A63252E24EA: client=unknown[197.242.113.115], sasl_method=LOGIN, sasl_username=huuchuong_bui-vts@sptfone.vn
Mar 23 20:23:24 mx1 amavis[12083]: (12083-13) Passed CLEAN {RelayedInternal}, LOCAL [197.242.113.115]:65059 [197.242.113.115] <> -> <mjmj88@aol.com>, Queue-ID: 5FD6452E121E, mail_id: oUQRSSCPUGIL, Hits: -4.583, size: 5021, queued_as: 7FB4C52E1DF1, 9276 ms
Mar 23 20:23:25 mx1 amavis[12078]: (12078-12) Passed CLEAN {RelayedInternal}, LOCAL [197.242.113.115]:61093 [197.242.113.115] <> -> <peter.abboud@thomsonreuters.com>, Queue-ID: 3107652E11F0, mail_id: 6Wym9w_Blv0c, Hits: -4.583, size: 5134, queued_as: 6F98352E2507, 10183 ms

What is RelayedInternal ?
How to block RelayedInternal ?

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