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Does the SMTP MTAs dialup support need a dedicated/static IP address?

April 26, 2017DIALUP ip address MTA SMTP static support

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Does the SMTP MTAs dialup support need a dedicated/static IP address?

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Yes, it does. The mail server which is holding the mail at your ISP needs to know where to safely deliver it. If you didn’t have a static IP, a hacker could pretend they are your mail server and steal all your mail.