diff --git a/recipes/_common.rb b/recipes/_common.rb
index e738d39..8b7561b 100644
--- a/recipes/_common.rb
+++ b/recipes/_common.rb
@@ -69,6 +69,47 @@ when 'omnios'
     command "svccfg import #{manifest_path}"
     notifies :restart, 'service[postfix]'
   end
+when 'freebsd'
+  # Actions are based on docs provided by FreeBSD:
+  # https://www.freebsd.org/doc/handbook/mail-changingmta.html
+  service 'sendmail' do
+    action :nothing
+  end
+
+  template '/etc/mail/mailer.conf' do
+    source 'mailer.erb'
+    owner 'root'
+    group 0
+    notifies :restart, 'service[postfix]'
+  end
+
+  execute 'switch_mailer_to_postfix' do
+    command [
+      'sysrc',
+      'sendmail_enable=NO',
+      'sendmail_submit_enable=NO',
+      'sendmail_outbound_enable=NO',
+      'sendmail_msp_queue_enable=NO',
+      'postfix_enable=YES',
+    ]
+    notifies :stop, 'service[sendmail]', :immediately
+    notifies :disable, 'service[sendmail]', :immediately
+    notifies :start, 'service[postfix]', :delayed
+    only_if "sysrc sendmail_enable sendmail_submit_enable sendmail_outbound_enable sendmail_msp_queue_enable | egrep -q '(YES|unknown variable)' || sysrc postfix_enable | egrep -q '(NO|unknown variable)'"
+  end
+
+  execute 'disable_periodic' do
+    # rubocop:disable Lint/ParenthesesAsGroupedExpression
+    environment ({ 'RC_CONFS' => '/etc/periodic.conf' })
+    command [
+      'sysrc',
+      'daily_clean_hoststat_enable=NO',
+      'daily_status_mail_rejects_enable=NO',
+      'daily_status_include_submit_mailq=NO',
+      'daily_submit_queuerun=NO',
+    ]
+    only_if "RC_CONFS=/etc/periodic.conf sysrc daily_clean_hoststat_enable daily_status_mail_rejects_enable daily_status_include_submit_mailq daily_submit_queuerun | egrep -q '(YES|unknown variable)'"
+  end
 end
 
 execute 'update-postfix-sender_canonical' do
diff --git a/templates/mailer.erb b/templates/mailer.erb
new file mode 100644
index 0000000..1865157
--- /dev/null
+++ b/templates/mailer.erb
@@ -0,0 +1,10 @@
+#
+# Auto-generated by Chef.
+# Local modifications will be overwritten.
+#
+# Execute the Postfix sendmail program, named /usr/local/sbin/sendmail
+#
+sendmail        /usr/local/sbin/sendmail
+send-mail       /usr/local/sbin/sendmail
+mailq           /usr/local/sbin/sendmail
+newaliases      /usr/local/sbin/sendmail