%1$S is not a valid e-mail address because it is not of the form user@host. You must correct it before sending the e-mail.
%1$S mačči d tansa n yimayl tameɣtut acku ur teḍfiṛ ara amasal  aseqdac@asenneftaɣ. Yessefk ad tesseɣtiḍ send tuzna n yizen.