[Dovecot] OT: DNS-Problem with Mailnglist-Server

[Giles Coochey]

On Mon, May 30, 2011 14:48, Nick Edwards wrote:
> On Mon, May 30, 2011 at 10:11 PM, Henrik Larsson
> <dovecot-user at spambox.dk>wrote:
>
>
>
> This also stops more spam than the good mail it blocks, when people get
> blocked for this, they should complain to their ISP, why should we accept
> NON RFC compliant mail servers because the sys admin has not got around to
> reading dns 101?
>

If you can afford to block legitimate email (RFC compliant or not) in
order to reduce your spam then something is seriously wrong.

Regardless of how efficient you spam filters are, if they produce false
positives, then they're not usable at all.

If you disagree, then nere is a 100% guaranteed way to stop ALL your spam:

/etc/init.d/postfix stop

Regards,

Giles