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-rw-r--r--fetchmail.man6
1 files changed, 5 insertions, 1 deletions
diff --git a/fetchmail.man b/fetchmail.man
index 2fb80827..48a17776 100644
--- a/fetchmail.man
+++ b/fetchmail.man
@@ -264,7 +264,11 @@ may be removed and forced enabled in a future fetchmail version.
(Keyword: port)
The port option permits you to specify a TCP/IP port to connect on.
This option will seldom be necessary as all the supported protocols have
-well-established default port numbers.
+well-established default port numbers. On some older machines, however,
+the protocol <\-\-> port mappings are missing from the services database
+(often /etc/services), and this port can make fetchmail work for you
+even if you don't have system administrator privileges. See the FAQ item
+R12 for details.
.TP
.B \-\-principal <principal>
(Keyword: principal)