If it is not there, then you need to check the configuration. Another cause of problems may be a mismatch between the host name, server name, and your domain name. Email encryption is very important for security reasons.
In addition, some servers consider unencrypted emails to be spam. To encrypt email, you must specify a valid certificate in the Postfix configuration.
Sometimes you need to redirect internal messages for users to the mailbox. For example, to redirect system messages. Aliases are used for this purpose. To configure them, edit the file:. Add a line to the end of the file. In this example, we will configure sending system messages to mail domain.
The author voluntarily contributed this tutorial as a part of Pepipost Write to Contribute program. In this tutorial, you will learn how to install and configure Postfix on your server, so that other applications installed on that server can use the Postfix to send emails. If you are already using a third-party service provider like Sendgrid, Pepipost etc to send emails, then you really don't need a Postfix.
But, if you are not using a third party and want to set up something on your local server which can help you to send emails at scale, then you can use Postfix for that purpose. Note, the hostname of your machine must match your domain name.
And, in order to check the same you can run the following command:. The next step is two install two important packages mailutils , which includes programs necessary for Postfix to function, and the postfix itself. Next, install mailutils , a package which postfix requires to function properly. Once all the package is downloaded you will see a screen like the one below which will be asking you to choose the type of configuration.
The recommended defaults for this directive are given in the code block below, so modify yours to match:. However, to configure Postfix in a manner that scales and that does not present issues for such a setup involves additional configurations that are beyond the scope of this article. In performing your own test s , you may use the body and subject line text as-is, or change them to your liking. The domain can be gmail. Now check the email address where you sent the test message.
You should see the message in your Inbox. If not, check your Spam folder. Note that with this configuration, the address in the From field for the test emails you send will be sammy example. If you change your username, the From address will also change.
Open that file now:. The postmaster: root setting ensures that system-generated emails are sent to the root user. You want to edit these settings so these emails are rerouted to your email address.
To accomplish that, add the following line below the postmaster: root setting:. When finished, save and close the file. For the change to take effect, run the following command:. Once your account is created, you'll be logged-in to this account.
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