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Author: dng@d404.nl
To: dng
Subject: Re: [DNG] ..devuan to the rescue? Easiest possible newbie email server setup, ideas?
On 24-09-2020 14:43, Jim Jackson wrote:
> On Thu, 24 Sep 2020, Mark Rousell wrote:
>> On 24/09/2020 07:30, Dimitris via Dng wrote:
>>> in my opinion a home connection server smtp+imap/pop will not be very
>>> usable. most rbl's block dynamic addresses so you won't be able to
>>> deliver much...
>> In some areas (e.g. the UK), the better ISPs provide static IPs so this
>> issue is bypassed.
> Mostly. Somemail servers do a reverse IP lookup and see if it matches your
> envelope From domain.
> ntlworld.com and the big german mail provider gmx.com both refuse to
> accept email from my server - UK based with ISP provded fixed IP.
> It's pain, but I resort to my gmail account for mail to these.
> I use sendmail, so I suppose I could use some magic to reroute such
> traffic.

My ISP hand out static ip (4 and 6) and allows me to change rDNS too. So
i do run one of my mail servers from my home FTTH connection.

It also helps if you configure SPF and DKIM for your domain. Rejected
mails almost never happen, mostly only random by Microsoft O365 servers.

For those who ISP blocks port 25 you can configure your mailserver and
client to use port 465 (SSL) or 587 ((START)TLS) both with authentication.