%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 majun ta chi rochochib'al taqoya'l ruma man niwachin ta achi'el winaq@k'uxasamaj. K'atzinel nab'ey nab'än ruk'ojlem richin natäq ri taqoya'l.