Somone using my SMTP for spam?

i think somone using my server to send spam
I have about 1000 in queue every 12 hours

Afther investigation I found the following message:

====================================
/usr/sbin/exim -MCS -MCP -MCQ 1915 5 -MC remote_smtp india-com.mr.outblaze.com 205.158.62.177 2 1Aj4W0-0007Se-Bb
====================================

I never had any customer from india

What can be done?

I turned ON the SMTP tweak in WHM but problem is still present...

Anyone with an idea how to stop and/or trace how do they send trought my servers SMTP?


Thanks a lot

 

 

 

 

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