MailServer Configuration (autodiscover, SPF, DKIM)

Could you check all backslashes are in place in /etc/e-smith/templates-custom/etc/amavisd.conf/95dkim

@dkim_signature_options_bysender_maps = ( \{ '.' => \{ ttl => 21*24*3600, c => 'relaxed/simple' \} \} );