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.
Indeed. I have been trying a few days sending emails to gmail, and sometimes
comes a complaint.
The reply from gmail says:
Please use the SMTP relay at your service provider instead.
The lack of domain when negotiating at SMTP level, well, seems a different
problem.
But better to find out how to relay email with my DSL provider.
Thanks
Pablo
On 29.11.20 22:58, 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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