Send Email Linux Command Line Smtp – When configuring your mail servers, you want to make sure your MX records are set correctly. This article will show you how to perform an MX search using the command line interface.
An MX record is a record defined in the DNS zone configuration that identifies which mail server is responsible for handling e-mail for a domain. To do this, you must configure at least one MX record for your domain to receive email.
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Additionally, you can add multiple MX records, where each record must point to a different mail server. This is to handle downloads to your email infrastructure. However, it is better to have only one mail server.
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The last right column of results is the MX record you’re looking for. Specifically, they are email servers.
Can be used on multiple platforms: Windows, Unix, Linux, BSD, Mac, by default, no installation required.
Typing the command in the terminal, if possible, you can use it. Otherwise, if you are on Linux/Unix/BSD, you can install according to the installation order depending on the distribution.
See more details. However, you can filter it to remove it only when needed. And here it is
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MX lookup is an easy task and should be done well if you are responsible for mail server configuration or DevOps.
If you know of other ways to find MX, please share with me in the comments. I love to know! Sometimes you may need to send email from the command line. You can generate a report from a database or application and want to send the generated report via email. The report is manually generated using a script and executed using crontab.
In this tutorial we will learn how to install MSMTP and Mutt. We will use MSMTP to send our email to Gmail. If you want to follow this tutorial using a Gmail email account, please create a new email address that will be used on your server and do not use your current Gmail account, one reason being that your Gmail account is password protected. plain text. You can use pgp to keep your password safe. Another reason is that the account you use to send e-mail from the server may be blocked due to the different location of the server.
If you are having trouble accessing Gmail from your server, you can follow the steps listed on the Google support site.
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We can use MSMTP to send emails, but unfortunately we can’t install applications, so we use Mutt to help us send emails. We will use Ubuntu 14.04 in this tutorial, but any Ubuntu release and Debian release should work for this course as well.
Before installing MSMTP and Mutt we will update the server to the latest update. If you are installing MSMTP and Mutt on an existing server, make sure to update the server to the latest release.
To connect to an email server using SSL/TLS we must have a file containing Certificate Authority (CA) certificates. You can check whether the ca-certificates package is installed on your server using the following command:
If the ca-certificate package is installed, you will get output similar to the above. If you leave it blank, it means
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The package is not installed and you must install it. You can install this package with this command:
Create an MSMTP configuration in /etc/msmtprc with the following content. You will need to enter your Gmail username and password in this file.
. If you use a different name, check which account you want to use by default.
Mut installs Postfix as one of its dependencies. You have to select the package configuration manually. You can select the configuration.
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Now the fun part. Sending email using Msmtp is really easy. The easiest syntax you can use is:
The above command will send email without subject, and with body/content of “Hello, this is sending email using msmtp”. If you want to send an email with a subject, you can use this command:
The above command will send an email with a subject but no body or email content. How about a full email? You can use the following command:
Of course, you don’t need to put your email address directly in the order. Another way to create a complete email as before is to create a file with the following content. Name the file email.txt
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So far you have learned how to send email using msmtp, now we will use mutt to send email with application. You may be asking why msmtp and mutt are needed? Answer: msmtp is a mail transfer agent (MTA) and only knows how to send email but not how to build an application. Creating email as MIME is a Mail User Agent (MUA) feature, so we use Mutt in this tutorial.
We’ll set up LogWatch to generate a report that links to our sample. In fact, there are options where Logwatch can send reports to email. We use the LogWatch report as an example in this tutorial.
The file may be in the root. We will change the ownership so that our current user is the owner
The above command will send an email with an attachment but with an empty body after we have posted the content.
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. If you want to send a complete email, create a file that contains the message you want to include in the body of the email. Then you can change
With the file name. For example, if you put an email message in a .txt file, you can use the following command:
In this tutorial, we have learned how to send email from command line using MSMTP and Mutt. We have learned how to send email without attachments. You can use the methods you’ve learned in your scripts that require email sending functionality. Here’s a guide for sending local server-based email to an Ubuntu 18.04 server using Postfix.
Nothing should be returned, if you receive a response like the one below, you are missing a mail support package…
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Now after running the command again there should be no output but the email may not arrive… due to problems.
If your server’s domain name is incorrect, the smtp connection is refused – please set your server with the correct domain name.
If your smtp connection is timing out, make sure your outgoing port 25 is enabled, some ISPs block this by default.
If you have Postfix installed on your server, as most servers do, you will probably need to configure Postfix with the correct domain name and send parameters.
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Inet_interfaces will ensure that it receives e-mail only from the sending e-mail address to the server and only receives e-mail from the e-mail address.
This directive is not in the main.cf file, if you want to use it, add it to the end of the file.
You can use Relay if you want, or because your IP address is blacklisted, there are several solutions with some providers offering free tiered accounts, 2 popular ones being SendGrid and MailGun.
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This article was written by staff writer Nicole Levine, MFA. Nicole Levine is a technology writer and editor. He has over 20 years of experience writing technical documents and leading teams at major web hosting and software companies. Nicole also holds an MFA in creative writing from Portland State University and has taught composition, fiction, and poetry at various institutions.
It teaches you the basic ways to send email on a Linux desktop system. If you are using a desktop version of Linux such as Debian or Ubuntu, the operating system comes with a graphical email application called Thunderbird. If you don’t need a full-featured mail client and want to send a test message, you can use the sendmail command to send a message through Linux’s built-in SMTP server. If you prefer to use web e-mail, you can use any web browser to access sites such as Gmail, Outlook.com, or Yahoo Mail.
This article was written by staff writer Nicole Levin, MFA. Nicole Levine is a technology writer and editor. He has over 20 years of experience writing technical documents and leading teams at major web hosting and software companies. Nicole also holds an MFA in creative writing from Portland State University and has taught composition, fiction, and poetry at various institutions.
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