[GTALUG] Spamhaus block

[Marc Lijour]

I'm hosting at OVH, running a small VM with SSD. The IP is fixed.

A range of IP owned by the cloud provider might explain things, except 
that I'm not responsible (nor have any control) of bad neighbours.

On 2019-02-21 2:03 p.m., Val Kulkov via talk wrote:
> On Thu, 21 Feb 2019 at 13:34, Marc Lijour via talk <talk at gtalug.org 
> <mailto:talk at gtalug.org>> wrote:
>
>     Does anyone has insights about dealing with Spamhaus?
>
>     I'm getting increasingly frustrated by being listed without
>     explanation.
>     I run a very low bandwidth mail server and a website for my
>     business. I
>     am running postfix with SPF, DKIM, and DMARC. I'd like to know
>     what I am
>     missing.
>
>
> Do you have a permanent static IP address? If not, you may 
> occasionally be picking up a "dirty" IP address.
>
> Also, it seems to me that even permanent static IP addresses are not 
> made the same. I get a feeling that some spam databases do not "like" 
> certain ranges of IP addresses. Although I have no direct evidence of 
> it, I suspect that these spam database sites run periodic checks on 
> how much spam a subnet produces and when it exceeds some threshold the 
> entire subnet is marked "dirty".
>
>
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