Get the latest tutorials on SysAdmin and open source topics. Hub for Good Supporting each other to make an impact. Write for DigitalOcean You get paid, we donate to tech non-profits. Following this tutorial you'll be able to add virtual domains, users, and aliases.
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Get the latest tutorials on SysAdmin and open source topics. Hub for Good Supporting each other to make an impact. Write for DigitalOcean You get paid, we donate to tech non-profits. By finid and Kathleen Juell. Postfix is a mail transfer agent MTA , an application used to send and receive email.
Create an SPF Record in DNS
Now enter the fully qualified domain name that you want to use for send and receive emails. You can verify the Postfix version and status of the service using the following commands. Now try to check your mail server is connecting on port 25 using the following command. The above message indicates that the connection is successfully established. Type quit to close the connection. You can also use a mail program to send and read emails using the following command.
We can send and receive email using a desktop email client. I have seen it used by facebook. Some folks might think that -all will be better as it will reject emails from untrusted hosts.