sendmail.xml

<?xml version="1.0" encoding="UTF-8" ?>
<container xmlns="http://symfony.com/schema/dic/services"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:swiftmailer="http://symfony.com/schema/dic/swiftmailer"
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd
                        http://symfony.com/schema/dic/swiftmailer http://symfony.com/schema/dic/swiftmailer/swiftmailer-1.0.xsd">


    <swiftmailer:config
        transport="sendmail"
        local-domain="local.example.org"
        command="/usr/sbin/sendmail -t -i"
    />
</container>