Re: [gentoo-user] Setting up postfix and dovecot

[Peter Humphrey]

On Tuesday, 25 December 2018 17:49:36 GMT Grant Taylor wrote:

[Big snip...]

> I think there may be more subtle things than you might be aware of.
> I say that based on the context of your email.  You are asking very
> reasonable questions.  But they seem fairly new to the process.  As
> such, I think some of the things along the way are going to surprise you.
>
> With that in mind, please allow me to make some recommendations:
>
> 1)  Use a (sub)domain that is globally registered.
> 2)  Use a Let's Encrypt SSL certificate on the globally recognized FQDN.
> 3)  Use split DNS for internal / external resolution.
> 4)  I think forwarding might be the slightly lesser of the evils to get
> email from your ISP to your server.  But that requires external
> accessibility to your email server.  -  I say this because fetchmail (et
> al) functionally retrieves email and re-injects it as SMTP to your local
> server.  Thus forwarding at least doesn't switch protocols.
>
> Finally, postfix / dovecot / et al, make little difference in my
> opinion.  I think you could easily substitute different daemons in their
> place.  IMHO there is quite a bit more to think about than which of the
> specific daemons you will run or how to configure them.  Rather the
> specific daemons fall in line after you have the answers to all the
> other questions and a plan of action.

That's been my difficulty all along: understanding what I need to do, before 
trying to set it up. Your recommendations are a great help in that, together 
with the considerable detail you offered.

Many thanks for all the time and trouble you put into your reply, Grant. I am 
grateful, and you can be sure I'll act on it.

Thanks again.

-- 
Regards,
Peter.