How do I use Sendmail in Gmail?
Matthew Barrera
Updated on March 23, 2026
How do I use Sendmail in Gmail?
Configure Sendmail to Relay Emails through Gmail SMTP
- Create Auth File. First create directory for storing authentication files.
- Configure Sendmail with SMART_HOST. Now add following configuration lines into your sendmail.mc configuration file below “MAILER” definition.
- Verify Setup.
How do I configure sendmail?
Configuring sendmail
- Edit the /etc/sendmail.mc file. Most of what you need to do to configure sendmail can be done by editing this file.
- Generate the sendmail.cf file from the edited sendmail.mc file. This is done using the m4 processor.
- Review your sendmail.cf configuration.
- Restart the sendmail server.
How do I set SMTP server in Sendmail?
Introduction
- Step 1: Log in using SSH. You must be logged in via SSH as sudo or root user.
- Step 2: Configure the MTA. Edit /etc/mail/sendmail.mc and find the following line dnl define(`SMART_HOST’, `smtp.your.provider’)dnl.
- Step 3: Regenerate configuration file.
- Step 4: Restart the mail server.
- Step 5: Send test email.
What are the steps to configure Gmail in Linux?
Configure SMTP with Gmail Using Postfix
- Step1: Install Required Software.
- Step2: Configure Gmail Authentication.
- Step3: Configure Postfix.
- Step4: Encrypt Password File.
- Restart Postfix and Enable auto startup.
- Enable “Less Secure Apps” In Gmail.
- Send A Test Email.
Does Gmail use Sendmail?
Note that Sendmail is just one of many utilities which can be configured to rely on a Gmail account. Others that are capable of this include postfix, exim, ssmpt, etc….Configuring Gmail as a Sendmail email relay.
| Category | Requirements, Conventions or Software Version Used |
|---|---|
| Other | Privileged access to your Linux system as root or via the sudo command. |
How do I send an email using sendmail?
Simple example Once logged in, you can run the following command to send email: [server]$ /usr/sbin/sendmail [email protected] Subject: Test Send Mail Hello World control d (this key combination of control key and d will finish the email.)
What is the SMTP setting for Gmail outgoing mail?
Step 2: Change SMTP & other settings in your email client
| Incoming Mail (IMAP) Server | imap.gmail.com Requires SSL: Yes Port: 993 |
|---|---|
| Outgoing Mail (SMTP) Server | smtp.gmail.com Requires SSL: Yes Requires TLS: Yes (if available) Requires Authentication: Yes Port for SSL: 465 Port for TLS/STARTTLS: 587 |
How do you install and configure Postfix as a send only SMTP server on CentOS 7?
How To Install Postfix CentOS 7
- Step 1: Checking And Removing Sendmail (Required Only If Sendmail Is Installed) Input: Run the below command to check whether sendmail is installed or not: rpm -qa | grep sendmail.
- Step 2: Install Postfix.
- Step 3: Configure Postfix.
- Step 4: Testing Postfix Server.
How do I set up SMTP for Gmail?
- Login to your Gmail account.
- Click on ‘Add another email address you own’
- Enter your name.
- Enter the SMTP server included in your AuthSMTP confirmation email (typically ‘mail.authsmtp.com’)
- Check the inbox of the email address you are trying to register for the verification email.
Can I use Gmail as SMTP server?
Can I Use the Gmail SMTP Server for Sending Email? Yes! You can. If you’re using other email clients, such as Thunderbird or Outlook, you can use the Gmail SMTP server details to still send emails via your Gmail account.