How To Install msmtp on CentOS 8

msmtp is SMTP client

Introduction

In this tutorial we learn how to install msmtp on CentOS 8.

What is `msmtp`

It forwards messages to an SMTP server which does the delivery. Features include * Sendmail compatible interface (command line options and exit codes). * Authentication methods PLAIN,LOGIN,CRAM-MD5,DIGEST-MD5,GSSAPI,and NTLM * TLS/SSL both in SMTP-over-SSL mode and in STARTTLS mode. * Fast SMTP implementation using command pipe-lining. * Support for Internationalized Domain Names (IDN). * DSN (Delivery Status Notification) support. * RMQS (Remote Message Queue Starting) support (ETRN keyword). * IPv6 support.

We can use yum or dnf to install msmtp on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install msmtp.

Install msmtp on CentOS 8 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install msmtp using dnf by running the following command:

sudo dnf -y install msmtp

Install msmtp on CentOS 8 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

CentOS Linux 8 - AppStream                                       43 kB/s | 4.3 kB     00:00    
CentOS Linux 8 - BaseOS                                          65 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - ContinuousRelease                               43 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - Extras                                          23 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - FastTrack                                       40 kB/s | 3.0 kB     00:00    
CentOS Linux 8 - HighAvailability                                36 kB/s | 3.9 kB     00:00    
CentOS Linux 8 - Plus                                            24 kB/s | 1.5 kB     00:00    
CentOS Linux 8 - PowerTools                                      50 kB/s | 4.3 kB     00:00    
Extra Packages for Enterprise Linux Modular 8 - x86_64           13 kB/s | 9.2 kB     00:00    
Extra Packages for Enterprise Linux 8 - x86_64                   24 kB/s | 8.5 kB     00:00    
Metadata cache created.

After updating yum database, We can install msmtp using yum by running the following command:

sudo yum -y install msmtp

How To Uninstall msmtp on CentOS 8

To uninstall only the msmtp package we can use the following command:

sudo dnf remove msmtp

msmtp Package Contents on CentOS 8

/usr/bin/msmtp
/usr/bin/msmtpd
/usr/lib/.build-id
/usr/lib/.build-id/75
/usr/lib/.build-id/75/27429d4962c065f58a9d2eb3eca786e000fe2d
/usr/lib/.build-id/d2
/usr/lib/.build-id/d2/f99228f4cd2ef0eb5a971a798adfe09b7c729f
/usr/share/doc/msmtp
/usr/share/doc/msmtp/AUTHORS
/usr/share/doc/msmtp/NEWS
/usr/share/doc/msmtp/README
/usr/share/doc/msmtp/THANKS
/usr/share/doc/msmtp/msmtprc-system.example
/usr/share/doc/msmtp/msmtprc-user.example
/usr/share/doc/msmtp/scripts
/usr/share/doc/msmtp/scripts/find_alias
/usr/share/doc/msmtp/scripts/find_alias/find_alias_for_msmtp.sh
/usr/share/doc/msmtp/scripts/msmtpq
/usr/share/doc/msmtp/scripts/msmtpq/README.msmtpq
/usr/share/doc/msmtp/scripts/msmtpq/msmtp-queue
/usr/share/doc/msmtp/scripts/msmtpq/msmtpq
/usr/share/doc/msmtp/scripts/msmtpqueue
/usr/share/doc/msmtp/scripts/msmtpqueue/ChangeLog
/usr/share/doc/msmtp/scripts/msmtpqueue/README
/usr/share/doc/msmtp/scripts/msmtpqueue/msmtp-enqueue.sh
/usr/share/doc/msmtp/scripts/msmtpqueue/msmtp-listqueue.sh
/usr/share/doc/msmtp/scripts/msmtpqueue/msmtp-runqueue.sh
/usr/share/doc/msmtp/scripts/set_sendmail
/usr/share/doc/msmtp/scripts/set_sendmail/set_sendmail.conf
/usr/share/doc/msmtp/scripts/set_sendmail/set_sendmail.sh
/usr/share/doc/msmtp/scripts/vim
/usr/share/doc/msmtp/scripts/vim/README
/usr/share/doc/msmtp/scripts/vim/msmtp.vim
/usr/share/info/msmtp.info.gz
/usr/share/licenses/msmtp
/usr/share/licenses/msmtp/COPYING
/usr/share/locale/de/LC_MESSAGES/msmtp.mo
/usr/share/locale/fr/LC_MESSAGES/msmtp.mo
/usr/share/locale/pt_BR/LC_MESSAGES/msmtp.mo
/usr/share/locale/sr/LC_MESSAGES/msmtp.mo
/usr/share/locale/ta/LC_MESSAGES/msmtp.mo
/usr/share/locale/uk/LC_MESSAGES/msmtp.mo
/usr/share/man/man1/msmtp.1.gz
/usr/share/man/man1/msmtpd.1.gz

References

msmtp website

Summary

In this tutorial we learn how to install msmtp on CentOS 8 using yum and dnf.