Duck util-mail.

doc/utils.md

@@ -125,29 +125,6 @@ Returns ```#t``` if both dictionaries contain the same keys and their
 values are equal according to the provided ```equality?``` predicate
 which defaults to ```equal?```.
 
-### Mail
-
-    (import util-mail)
-
-A simple wrapper module to send emails from UNIX system.
-
-    (*mailto-override* [email])
-
-* ```email``` - email address string
-
-If this parameter is non-```#f```, all outgoing emails are actually
-sent to the address stored within.
-
-    (send-mail body-lines [#:from from] [#:to to] [#:subject subject])
-
-* ```body-lines``` - lines of the email
-* ```from``` - email address from string
-* ```to``` - email address to string
-* ```subject``` - email subject string
-
-Sends email using mail(1) command. The arguments ```#:to``` and
-```#:subject``` are mandatory. Argument ```#:from``` is optional.
-
 ### Set (List)
 
     (import util-set-list)