Are the 'mail' and 'email' tags synonyms?

Question

The differences between these tags are not clear. When would one use email, over mail and vice versa?

Answer 1

As far as I can see, the questions using mail are really referring to emails. I made them synonyms. mail is remapped to email.

updating post history, 51 rows affected
updating posts, 37 rows affected
updating PostTags associations, 28 rows affected
removing/renaming old tag, 0 rows affected
updating count for master tag, 1 rows affected
tag remapping of [email] and [mail] complete!
remapping 0 synonyms
0 favorite and ignored tags remapped!
Tag Synonym mail -> email was approved!