# Permit only the dated Mail2News recipient syntax used by ordinary email
# clients. Everything else is rejected by the dedicated qee onion listener.
/^mail2news-[0-9]{8}-[a-z][a-z0-9]+(\.[0-9a-z+_-]+)+(=[a-z][a-z0-9]+(\.[0-9a-z+_-]+)+){0,2}@(mail2news\.tcpreset\.net|xilb7y4kj6u6qfo45o3yk2kilfv54ffukzei3puonuqlncy7cn2afwyd\.onion)$/ OK