It is still possible to run from a dynamic IP. I solved it by setting
the helo domain to the domain of my ISP (<helloName
autodetect="false">tx.res.rr.com</helloName>), which works fine for
inbound connections, and using Google's SMTP service for outbound mail.
Using this setup, I don't get any rejections, and virtually no spam ever
gets through either. Using my own SMTP for outbound works for most, but
is rejected by some (particularly Microsoft setups....).
On 11/29/20 3:58 PM, David Matthews wrote:
hi Pablo
But this setup is in a home network. The setup uses Dynamic DNS where the james
server is behind the router, and the router is forwarding ports 25, 587 to the
james server.
I used to do something like that 15 years ago, but I wouldn't think of trying
to run a mail server from inside a home network now. Even then a lot of mail
got grey listed; I'm surprised you get gmail to accept mail at all now.
I think that email servers in general do not like dealing with anything without
a static ip address. I'm pretty sure that's the case if you're on the end of a
broadband home connection and I'd guess the same applies if you try and use a
dynamic DNS service.
I'm not certain this is the problem you have just now (although I think it
might be), but I don't think what you're trying to do is going to lead to a
happy life. If you want to run an email server (an excellent idea!) I'd suggest
getting a VM from someone like linode.
--
David Matthews
m...@dmatthews.org
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