Add "HOME" envvar while invoking the mailer for password recovery.

src/requests/password.cr

@@ -47,8 +47,11 @@ class AuthD::Request
 					# PARAMETERS
 					[ "send", template_name, u_email ],
 					# ENV
-					{ "LOGIN" => u_login, "TOKEN" => u_token },
+					{ "HOME" => "/", "LOGIN" => u_login, "TOKEN" => u_token },
 					true # clear environment
+					# input:   Process::Redirect::Inherit,
+					# output:  Process::Redirect::Inherit,
+					# error:   Process::Redirect::Inherit
 				).success?
 				raise "cannot contact user #{u_login} address #{u_email}"
 			end