diff options
Diffstat (limited to 'lisp/gnus/message.el')
| -rw-r--r-- | lisp/gnus/message.el | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/lisp/gnus/message.el b/lisp/gnus/message.el index e19ac76869b..084dce65f09 100644 --- a/lisp/gnus/message.el +++ b/lisp/gnus/message.el @@ -888,9 +888,22 @@ symbol `never', the posting is not allowed. If it is the symbol ;; FIXME: This is related to `mail-specify-envelope-from' but works ;; differently (bug#36937). nil - "Non-nil means don't add \"-f username\" to the sendmail command line. -See `feedmail-sendmail-f-doesnt-sell-me-out' for an explanation -of what the \"-f\" parameter does." + "Non-nil means don't add \"-f username\" to the \"sendmail\" command line. +The \"sendmail\" program has a useful feature to let you set the +envelope FROM address via a command line option, \"-f\". +Unfortunately, it also has a widely disliked default behavior of +disclosing your actual user name anyway by inserting an +unattractive warning in the headers. It looks something like +this: + + X-Authentication-Warning: u1.example.com: niceguy set + sender to niceguy@example.com using -f + +It is possible to configure \"sendmail\" to not do this, but such a +reconfiguration is not an option for some users. + +Note that this user option is mostly useful for actual \"sendmail\" +installations, which are rare these days." :group 'message-sending :link '(custom-manual "(message)Mail Variables") :type 'boolean) |