rephrase before/after queue filtering for clarity

starting the listing with before/after queue filtering makes it easier to
scan through the document, especially if we refer to it with the same words
below.

Huge thanks to Daniela for suggesting the edit.

Signed-off-by: Stoiko Ivanov <s.ivanov@proxmox.com>
Reviewed-By: Aaron Lauterer <a.lauterer@proxmox.com>

diff --git a/pmgconfig.adoc b/pmgconfig.adoc
index 7b2d1f793083f3cdb42800cbc0bc0c7a3921b20e..da5e38b077d54424e6333d6eec8457b998d8f2ac 100644 (file)
--- a/pmgconfig.adoc
+++ b/pmgconfig.adoc
@@ -308,23 +308,23 @@ Before and After Queue scanning
 
 Scanning email can happen at two different stages of mail-processing:
 
-* During the SMTP Session after the complete message has been received (after
-  the 'DATA' command), known as 'before queue filtering'.
+* Before-queue filtering: During the SMTP Session, after the complete message
+  has been received (after the 'DATA' command).
 
-* After intially accepting the mail and putting it on a queue for further
-  processing, known as 'after queue filtering'.
+* After-queue filtering: After initially accepting the mail and putting it on
+  a queue for further processing.
 
-The former has the advantage that the system can reject a mail (by sending a
-permanent reject code '554'), and leave the task of notifying the original
-sender to the other mailserver. This is of particular advantage if the
-processed mail is a spam message or contains a virus and has a forged
+Before-queue filtering has the advantage that the system can reject a mail (by
+sending a permanent reject code '554'), and leave the task of notifying the
+original sender to the other mailserver. This is of particular advantage if
+the processed mail is a spam message or contains a virus and has a forged
 sender-address. Sending out a notification in this situation leads so-called
 'backscatter' mail, which might cause your server to get listed as spamming on
 RBLs.
 
-The latter has the advantage of providing faster delivery of mails for the
-sending servers, since queueing mails is much faster than analyzing it for
-spam and viruses.
+After-queue filtering has the advantage of providing faster delivery of
+mails for the sending servers, since queueing mails is much faster than
+analyzing it for spam and viruses.
 
 If a mail is addressed to multiple recipients (e.g. when multiple addresses are
 subscribed to the same mailinglist) the situation is more complicated: Your