How to setup SMTP accounts in Postfix

postfix

I want to offer SMTP service to my 4-5 customers. I have dedicated server (CentOS) with Postfix installed. Is there any way to create SMTP user accounts and provide SMTP service to my customers?

I will also use Policyd (Quota) to limit the number of emails can be sent per SMTP user account.

Thanks in advance.

Best Answer

Rephrasing what Michael has said, you need to enable smtp authentication for this to start working. If you do not enable smtp authentication then spammer's will start using your server to send out emails. You can use Postfix + Cyrus SASL + Mysql as that mentioned in the below URL to set it up.

http://flurdy.com/docs/postfix/edition5.html#conf_auth

Once this is done you can make your one web application which gives your customers to reset their password and all that value add stuff.

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