[pmg-devel] [PATCH pmg-docs] rephrase before/after queue filtering for clarity
Aaron Lauterer
a.lauterer at proxmox.com
Thu Apr 23 13:56:31 CEST 2020
LGTM, one little nit inline but with or without it
Reviewed-By: Aaron Lauterer <a.lauterer at proxmox.com>
On 4/23/20 1:51 PM, Stoiko Ivanov wrote:
> 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 at proxmox.com>
> ---
> pmgconfig.adoc | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
>
> diff --git a/pmgconfig.adoc b/pmgconfig.adoc
> index 7b2d1f7..0faefa5 100644
> --- 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
either s/ after/, after/
or s/after/and after/
to help the reading flow
> + 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
>
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