The main configuration file for Sendmail is /etc/mail/sendmail.cf , which is not intended to be manually edited. Instead, make any configuration changes in the /etc/mail/sendmail.mc file.
Where is sendmail on Ubuntu?
Install and configure Sendmail on Ubuntu
- If sendmail isn’t installed, install it: sudo apt-get install sendmail.
- Configure /etc/hosts file: nano /etc/hosts.
- Make sure the line looks like this: 127.0.0.1 localhost yourhostname.
- Run Sendmail’s config and answer ‘Y’ to everything: sudo sendmailconfig.
How do I enable sendmail?
So, the steps I recommend for configuring sendmail are as follows:
- 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. …
- Review your sendmail.cf configuration. …
- Restart the sendmail server.
How do I know if sendmail is installed Linux?
Type “ps -e | grep sendmail” (without quotes) at the command line. Press the “Enter” key. This command prints a listing that includes all running programs whose name contains the text “sendmail.” If sendmail is not running, there will be no results.
What is sendmail configuration file?
Description. The /etc/mail/sendmail.cf configuration file and the /etc/mail/submit.cf configuration file contain the configuration information for the sendmail command. These files include information such as the host name and domain, and the sendmail rule sets.
How does Sendmail work Linux?
The sendmail program collects a message from a program like mailx or mailtool , edits the message header as required by the destination mailer, and calls appropriate mailers to deliver mail or to queue the mail for network transmission. The sendmail program never edits or changes the body of a message.
Which port does sendmail use?
Resolution. Since the local sendmail is listening to port 25 and the ISP mail server needs port 587 for authentication.
How do I enable Mail on Linux?
To Configure the Mail Service on a Linux Management Server
- Log in as root to the management server.
- Configure the pop3 mail service. …
- Ensure that the ipop3 service has been set to run at levels 3, 4, and 5 by typing the command chkconfig –level 345 ipop3 on .
- Type the following commands to restart the mail service.
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 is Sendmail protocol?
Sendmail is a server application that gives businesses a way to send email using the Simple Mail Transfer Protocol (SMTP). It’s typically installed on an email server on a dedicated machine that accepts outgoing email messages and then sends these messages to the defined recipient.
How do I know if SMTP is installed Linux?
To check if SMTP is working from the command line (Linux), is one critical aspect to be considered while setting up an email server. The most common way of checking SMTP from Command Line is using telnet, openssl or ncat (nc) command. It is also the most prominent way to test SMTP Relay.
How do I check my sendmail queue?
To check what is currently sitting in the sendmail mail queue use the sendmail -bp command or its alias mailq. This post looks at basic usage of this command and the output from viewing the mail queue.
How do I check mail in Linux?
prompt, enter the number of the mail you want to read and press ENTER . Press ENTER to scroll through the message line by line and press q and ENTER to return to the message list. To exit mail , type q at the ? prompt and then press ENTER .