wapt-thunderbird-config/thunderbird.cfg.j2

// Autoconf



if(getenv("USER") != "") {
    var user = getenv("USER");
} else {
    var env_user = getenv("USERNAME");
}

{% if thunderbird_config_append_domain is defined and thunderbird_config_append_domain != '' %}
var mail = env_user + '@{{ thunderbird_config_append_domain }}';
{% else %}
var mail = env_user;
{% endif %}

lockPref("mail.identity.useremail", mail);
lockPref("autoadmin.append_emailaddr", true);
lockPref("autoadmin.global_config_url", "{{ thunderbird_config_url }}");
lockPref("autoadmin.failover_to_cached", true);
lockPref("autoadmin.offline_failover", true);