fix(mail-merge): Add check for valid email address in recipients

src/flux/models/contact.coffee

@@ -91,6 +91,9 @@ class Contact extends Model
     json['name'] ||= json['email']
     json
 
+  isValid: ->
+    @email.match(RegExpUtils.emailRegex()) != null
+
   # Public: Returns true if the contact is the current user, false otherwise.
   # You should use this method instead of comparing the user's email address to
   # the account email, since it is case-insensitive and future-proof.

src/pro

@@ -1 +1 @@
-Subproject commit c62ed6110a8c161c838188019c8d33273a129c50
+Subproject commit 6db7b64bf05a59c2ab7f66b032065d17ebc82a5c