How To Install postfix.x86_64 on Amazon Linux 2

In this tutorial we learn how to install postfix.x86_64 in Amazon Linux 2. postfix.x86_64 is Postfix Mail Transport Agent

Introduction

In this tutorial we learn how to install postfix.x86_64 on Amazon Linux 2.

What is `postfix.x86_64`

Postfix is a Mail Transport Agent (MTA), supporting LDAP, SMTP AUTH (SASL), TLS

We can use yum to install postfix.x86_64 on Amazon Linux 2. In this tutorial we discuss both methods but you only need to choose one of method to install postfix.x86_64.

Install postfix.x86_64 on Amazon Linux 2 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

After updating yum database, We can install postfix.x86_64 using yum by running the following command:

sudo yum -y install postfix.x86_64

How To Uninstall postfix.x86_64 on Amazon Linux 2

To uninstall only the postfix.x86_64 package we can use the following command:

sudo yum remove postfix.x86_64

postfix.x86_64 Package Contents on Amazon Linux 2

/etc/pam.d/smtp
/etc/pam.d/smtp.postfix
/etc/postfix
/etc/postfix/access
/etc/postfix/canonical
/etc/postfix/generic
/etc/postfix/header_checks
/etc/postfix/main.cf
/etc/postfix/master.cf
/etc/postfix/relocated
/etc/postfix/transport
/etc/postfix/virtual
/etc/sasl2/smtpd.conf
/usr/bin/mailq
/usr/bin/mailq.postfix
/usr/bin/newaliases
/usr/bin/newaliases.postfix
/usr/bin/rmail
/usr/bin/rmail.postfix
/usr/lib/sendmail
/usr/lib/sendmail.postfix
/usr/lib/systemd/system/postfix.service
/usr/libexec/postfix
/usr/libexec/postfix/aliasesdb
/usr/libexec/postfix/anvil
/usr/libexec/postfix/bounce
/usr/libexec/postfix/chroot-update
/usr/libexec/postfix/cleanup
/usr/libexec/postfix/discard
/usr/libexec/postfix/dnsblog
/usr/libexec/postfix/error
/usr/libexec/postfix/flush
/usr/libexec/postfix/lmtp
/usr/libexec/postfix/local
/usr/libexec/postfix/main.cf
/usr/libexec/postfix/master
/usr/libexec/postfix/master.cf
/usr/libexec/postfix/nqmgr
/usr/libexec/postfix/oqmgr
/usr/libexec/postfix/pickup
/usr/libexec/postfix/pipe
/usr/libexec/postfix/post-install
/usr/libexec/postfix/postfix-files
/usr/libexec/postfix/postfix-script
/usr/libexec/postfix/postfix-wrapper
/usr/libexec/postfix/postmulti-script
/usr/libexec/postfix/postscreen
/usr/libexec/postfix/proxymap
/usr/libexec/postfix/qmgr
/usr/libexec/postfix/qmqpd
/usr/libexec/postfix/scache
/usr/libexec/postfix/showq
/usr/libexec/postfix/smtp
/usr/libexec/postfix/smtpd
/usr/libexec/postfix/spawn
/usr/libexec/postfix/tlsmgr
/usr/libexec/postfix/tlsproxy
/usr/libexec/postfix/trivial-rewrite
/usr/libexec/postfix/verify
/usr/libexec/postfix/virtual
/usr/sbin/postalias
/usr/sbin/postcat
/usr/sbin/postconf
/usr/sbin/postdrop
/usr/sbin/postfix
/usr/sbin/postkick
/usr/sbin/postlock
/usr/sbin/postlog
/usr/sbin/postmap
/usr/sbin/postmulti
/usr/sbin/postqueue
/usr/sbin/postsuper
/usr/sbin/sendmail
/usr/sbin/sendmail.postfix
/usr/sbin/smtp-sink
/usr/sbin/smtp-source
/usr/share/doc/postfix-2.10.1
/usr/share/doc/postfix-2.10.1/COMPATIBILITY
/usr/share/doc/postfix-2.10.1/LICENSE
/usr/share/doc/postfix-2.10.1/README-Postfix-SASL-RedHat.txt
/usr/share/doc/postfix-2.10.1/README_FILES
/usr/share/doc/postfix-2.10.1/README_FILES/AAAREADME
/usr/share/doc/postfix-2.10.1/README_FILES/ADDRESS_CLASS_README
/usr/share/doc/postfix-2.10.1/README_FILES/ADDRESS_REWRITING_README
/usr/share/doc/postfix-2.10.1/README_FILES/ADDRESS_VERIFICATION_README
/usr/share/doc/postfix-2.10.1/README_FILES/BACKSCATTER_README
/usr/share/doc/postfix-2.10.1/README_FILES/BASIC_CONFIGURATION_README
/usr/share/doc/postfix-2.10.1/README_FILES/BUILTIN_FILTER_README
/usr/share/doc/postfix-2.10.1/README_FILES/CDB_README
/usr/share/doc/postfix-2.10.1/README_FILES/CONNECTION_CACHE_README
/usr/share/doc/postfix-2.10.1/README_FILES/CONTENT_INSPECTION_README
/usr/share/doc/postfix-2.10.1/README_FILES/DATABASE_README
/usr/share/doc/postfix-2.10.1/README_FILES/DB_README
/usr/share/doc/postfix-2.10.1/README_FILES/DEBUG_README
/usr/share/doc/postfix-2.10.1/README_FILES/DSN_README
/usr/share/doc/postfix-2.10.1/README_FILES/ETRN_README
/usr/share/doc/postfix-2.10.1/README_FILES/FILTER_README
/usr/share/doc/postfix-2.10.1/README_FILES/INSTALL
/usr/share/doc/postfix-2.10.1/README_FILES/IPV6_README
/usr/share/doc/postfix-2.10.1/README_FILES/LDAP_README
/usr/share/doc/postfix-2.10.1/README_FILES/LINUX_README
/usr/share/doc/postfix-2.10.1/README_FILES/LOCAL_RECIPIENT_README
/usr/share/doc/postfix-2.10.1/README_FILES/MAILDROP_README
/usr/share/doc/postfix-2.10.1/README_FILES/MEMCACHE_README
/usr/share/doc/postfix-2.10.1/README_FILES/MILTER_README
/usr/share/doc/postfix-2.10.1/README_FILES/MULTI_INSTANCE_README
/usr/share/doc/postfix-2.10.1/README_FILES/MYSQL_README
/usr/share/doc/postfix-2.10.1/README_FILES/NFS_README
/usr/share/doc/postfix-2.10.1/README_FILES/OVERVIEW
/usr/share/doc/postfix-2.10.1/README_FILES/PACKAGE_README
/usr/share/doc/postfix-2.10.1/README_FILES/PCRE_README
/usr/share/doc/postfix-2.10.1/README_FILES/PGSQL_README
/usr/share/doc/postfix-2.10.1/README_FILES/POSTSCREEN_README
/usr/share/doc/postfix-2.10.1/README_FILES/QSHAPE_README
/usr/share/doc/postfix-2.10.1/README_FILES/RELEASE_NOTES
/usr/share/doc/postfix-2.10.1/README_FILES/RESTRICTION_CLASS_README
/usr/share/doc/postfix-2.10.1/README_FILES/SASL_README
/usr/share/doc/postfix-2.10.1/README_FILES/SCHEDULER_README
/usr/share/doc/postfix-2.10.1/README_FILES/SMTPD_ACCESS_README
/usr/share/doc/postfix-2.10.1/README_FILES/SMTPD_POLICY_README
/usr/share/doc/postfix-2.10.1/README_FILES/SMTPD_PROXY_README
/usr/share/doc/postfix-2.10.1/README_FILES/SOHO_README
/usr/share/doc/postfix-2.10.1/README_FILES/SQLITE_README
/usr/share/doc/postfix-2.10.1/README_FILES/STANDARD_CONFIGURATION_README
/usr/share/doc/postfix-2.10.1/README_FILES/STRESS_README
/usr/share/doc/postfix-2.10.1/README_FILES/TLS_LEGACY_README
/usr/share/doc/postfix-2.10.1/README_FILES/TLS_README
/usr/share/doc/postfix-2.10.1/README_FILES/TUNING_README
/usr/share/doc/postfix-2.10.1/README_FILES/ULTRIX_README
/usr/share/doc/postfix-2.10.1/README_FILES/UUCP_README
/usr/share/doc/postfix-2.10.1/README_FILES/VERP_README
/usr/share/doc/postfix-2.10.1/README_FILES/VIRTUAL_README
/usr/share/doc/postfix-2.10.1/README_FILES/XCLIENT_README
/usr/share/doc/postfix-2.10.1/README_FILES/XFORWARD_README
/usr/share/doc/postfix-2.10.1/TLS_ACKNOWLEDGEMENTS
/usr/share/doc/postfix-2.10.1/TLS_LICENSE
/usr/share/doc/postfix-2.10.1/bounce.cf.default
/usr/share/doc/postfix-2.10.1/examples
/usr/share/doc/postfix-2.10.1/examples/chroot-setup
/usr/share/doc/postfix-2.10.1/examples/chroot-setup/LINUX2
/usr/share/doc/postfix-2.10.1/examples/qmail-local
/usr/share/doc/postfix-2.10.1/examples/qmail-local/qmail-local.txt
/usr/share/doc/postfix-2.10.1/examples/smtpd-policy
/usr/share/doc/postfix-2.10.1/examples/smtpd-policy/README.SPF
/usr/share/doc/postfix-2.10.1/examples/smtpd-policy/greylist.pl
/usr/share/doc/postfix-2.10.1/main.cf.default
/usr/share/man/man1/mailq.1.gz
/usr/share/man/man1/mailq.postfix.1.gz
/usr/share/man/man1/newaliases.1.gz
/usr/share/man/man1/newaliases.postfix.1.gz
/usr/share/man/man1/postalias.1.gz
/usr/share/man/man1/postcat.1.gz
/usr/share/man/man1/postconf.1.gz
/usr/share/man/man1/postdrop.1.gz
/usr/share/man/man1/postfix.1.gz
/usr/share/man/man1/postkick.1.gz
/usr/share/man/man1/postlock.1.gz
/usr/share/man/man1/postlog.1.gz
/usr/share/man/man1/postmap.1.gz
/usr/share/man/man1/postmulti.1.gz
/usr/share/man/man1/postqueue.1.gz
/usr/share/man/man1/postsuper.1.gz
/usr/share/man/man1/sendmail.postfix.1.gz
/usr/share/man/man1/smtp-sink.1.gz
/usr/share/man/man1/smtp-source.1.gz
/usr/share/man/man5/access.5.gz
/usr/share/man/man5/aliases.5.gz
/usr/share/man/man5/aliases.postfix.5.gz
/usr/share/man/man5/body_checks.5.gz
/usr/share/man/man5/bounce.5.gz
/usr/share/man/man5/canonical.5.gz
/usr/share/man/man5/cidr_table.5.gz
/usr/share/man/man5/generic.5.gz
/usr/share/man/man5/header_checks.5.gz
/usr/share/man/man5/ldap_table.5.gz
/usr/share/man/man5/master.5.gz
/usr/share/man/man5/memcache_table.5.gz
/usr/share/man/man5/mysql_table.5.gz
/usr/share/man/man5/nisplus_table.5.gz
/usr/share/man/man5/pcre_table.5.gz
/usr/share/man/man5/pgsql_table.5.gz
/usr/share/man/man5/postconf.5.gz
/usr/share/man/man5/postfix-wrapper.5.gz
/usr/share/man/man5/regexp_table.5.gz
/usr/share/man/man5/relocated.5.gz
/usr/share/man/man5/sqlite_table.5.gz
/usr/share/man/man5/tcp_table.5.gz
/usr/share/man/man5/transport.5.gz
/usr/share/man/man5/virtual.5.gz
/usr/share/man/man8/anvil.8.gz
/usr/share/man/man8/bounce.8.gz
/usr/share/man/man8/cleanup.8.gz
/usr/share/man/man8/defer.8.gz
/usr/share/man/man8/discard.8.gz
/usr/share/man/man8/dnsblog.8.gz
/usr/share/man/man8/error.8.gz
/usr/share/man/man8/flush.8.gz
/usr/share/man/man8/lmtp.8.gz
/usr/share/man/man8/local.8.gz
/usr/share/man/man8/master.8.gz
/usr/share/man/man8/oqmgr.8.gz
/usr/share/man/man8/pickup.8.gz
/usr/share/man/man8/pipe.8.gz
/usr/share/man/man8/postscreen.8.gz
/usr/share/man/man8/proxymap.8.gz
/usr/share/man/man8/qmgr.8.gz
/usr/share/man/man8/qmqpd.8.gz
/usr/share/man/man8/scache.8.gz
/usr/share/man/man8/sendmail.8.gz
/usr/share/man/man8/showq.8.gz
/usr/share/man/man8/smtp.8.gz
/usr/share/man/man8/smtpd.8.gz
/usr/share/man/man8/spawn.8.gz
/usr/share/man/man8/tlsmgr.8.gz
/usr/share/man/man8/tlsproxy.8.gz
/usr/share/man/man8/trace.8.gz
/usr/share/man/man8/trivial-rewrite.8.gz
/usr/share/man/man8/verify.8.gz
/usr/share/man/man8/virtual.8.gz
/var/lib/misc/postfix.aliasesdb-stamp
/var/lib/postfix
/var/spool/postfix
/var/spool/postfix/active
/var/spool/postfix/bounce
/var/spool/postfix/corrupt
/var/spool/postfix/defer
/var/spool/postfix/deferred
/var/spool/postfix/flush
/var/spool/postfix/hold
/var/spool/postfix/incoming
/var/spool/postfix/maildrop
/var/spool/postfix/pid
/var/spool/postfix/private
/var/spool/postfix/public
/var/spool/postfix/saved
/var/spool/postfix/trace

References

postfix.x86_64 website

Summary

In this tutorial we learn how to install postfix.x86_64 on Amazon Linux 2 using yum.