Postfix with SASL authentication over TLS
In today's internet there is a lot of spam, forged mails and people who make use of this. It is importatnt to be secure, secure your users and the rest of the community from your users as well. It's better to be secure than to be sorry if an accident happens. You may not know that your users send spam until you get on the spamming list. I hope I don't have to explain why mechanisms such as: identification, authentication and authorization have to be implemented. In this article I will show you how to force users to authenticate before sending mail through Postfix. Ready?
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