Ubuntu, mail service - how to implement postfix protection?

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svd712014-04-03 22:35:12

postfix

svd71, 2014-04-03 22:35:12

Ubuntu, mail service - how to implement postfix protection?

Actually, the question is, how can you close it from any use from outside SMTP?
It is required to use only sending from the internal scripts of the site service messages. I wouldn't want to participate in another botnet.

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