Mailer: Other SMTP
SMTP Error: The following recipients failed: c.ael.i.a..th.oma.s@gmail.com: The recipient address  is not a valid
RFC 5321 address. For more information, go to
 https://support.google.com/a/answer/3221692 and review RFC 5321
specifications. 00721157ae682-794d4a54de7sm32749897b3.38 - gsmtp