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Make sure you back up the Postfix configuration file before making any changes. Email clients like Gmail, Yahoo, Outlook, and others are suspicious of new mail transfer agents (MTAs). Important note: If you send test emails to the real email address, you might not find them in the inbox. So, we’ll explain how to configure a local SMTP server on macOS, Windows, and Linux machines. Since you’re going to set up an SMTP server on your computer, it’s crucial to keep the operating system or OS in mind. For bulk emails, you should probably opt for a domain and a fixed IP address associated with it – this will increase your resistance to spam filters.Also, you need to request the correct DNS server and permission for MX record resolution. You can solve this issue by contacting your ISP provider and finding out what limitations they may impose. Nevertheless, you should be prepared for the following: There are no specific requirements so far. So, if you want to eliminate dependability, you can of course set up an SMTP server using specific software.
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However, they still have the dependability factor. Such third-party solutions are more secure while still providing complete control over your email infrastructure.
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To sum up the comparison, here’s the comment we found on Reddit: Source: RedditĬloud-based sending solutions such as Mailtrap Email Sending also provide all the advantages listed above. Running a local SMTP server takes time and effort Privacy and control of all your outgoing mail No daily or hourly limit on the number of outgoing emails Pros and cons of a local SMTP server Pros So, let’s put Direct Send away and figure out why someone would run their own SMTP server.
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