[GTALUG] Spamhaus block

Don Tai dontai.canada at gmail.com
Thu Feb 21 15:59:36 EST 2019


I forgot Planet Hoster in Montreal

On Thu, 21 Feb 2019 at 15:49, Marc Lijour <marclijour at gmail.com> wrote:

> fair enough -I can understand that perspective
>
> What is my best bet? AWS? Azure?
> On 2019-02-21 3:41 p.m., Don Tai via talk wrote:
>
> OVH is a well known den of spam, scraper and malicious bots. This is your
> problem. I am sure Spamhaus has given up on the number of bots they need to
> block and banned the whole IP range. I know I have. You need to move to
> another host provider. OVH allows the rampant running of bots, so this is
> what they get. Total ban.
>
> On Thu, 21 Feb 2019 at 14:17, Alex Volkov via talk <talk at gtalug.org>
> wrote:
>
>> Do you have reverse DNS records set up -- this is pretty much a
>> requirement for running any mail server these days.
>>
>> This mailing list kept getting blocked by Spamhaus when we used IPv6
>> address to send out mail. I have no idea what was wrong with that, but
>> the minute I turned off IPv6 everything went back to normal.
>>
>> I remember there's an open-source mail config/blacklist checking website
>> tool, but I don't remember its name.
>>
>> Alex.
>>
>> On 2019-02-21 1:24 p.m., Marc Lijour via talk 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.
>> >
>> > Spamhaus is very popular which in turn affects Twitter, LInkedIn,
>> > beyond just the mail.
>> >
>> > Is it possible to run one's own mail server this days?
>> >
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>>
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