Variable: pop3-stream-length
pop3-stream-length is a customizable variable defined in pop3.el.gz.
Value
100
Documentation
How many messages should be requested at one time.
The lower the number, the more latency-sensitive the fetching will be. If your pop3 server doesn't support streaming at all, set this to 1.
This variable was added, or its default value changed, in Emacs 24.1.
Source Code
;; Defined in /usr/src/emacs/lisp/net/pop3.el.gz
(defcustom pop3-stream-length 100
"How many messages should be requested at one time.
The lower the number, the more latency-sensitive the fetching
will be. If your pop3 server doesn't support streaming at all,
set this to 1."
:type 'number
:version "24.1"
:group 'pop3)