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Slow email receiver in postfix configured on Ubuntu

We are sending emails to destinations and the email traffic is high but recipient server is not accepting all emails due to their security rules and source emails can't be restricted. How to deal or ...
Rahul's user avatar
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Someone used my postfix to send mails

I just received mail from my server provider that my server is sending mails..i don't know about these mails and i never used smtp of that server before..can anyone guide me how this is possible?...
Minner's user avatar
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