I do this.  I run a Virtual Host at Dreamhost (Although it could be one
a digitalocean, prgmr.com or whatever virtual hosting provider you
prefer) that acts as an inbound and outbound mail relay for the
IMAP/SMTP server I run at home.

It's a small postfix instance, with SMTP-Auth configured to authenticate
mail from my devices regardless of network.  The postfix transports file
is set to relay all inbound email to my home server.  Once a year my
Cable ISP changes my IP address, and I have to update the config, but
that's the main maintenance it needs.

The only change I've made recently is to setup DKIM on outgoing mail
passing through that server, which has helped with false-positives on my
emails to gmail and other providers.

I can share configs with anyone who wants them, if it's helpful.

--Ted

On 1/22/2015 6:28 PM, Josh Smift wrote:
> JS> I'm curious what process you're using for outgoing email so you don't
> JS> get dropped into spam, and what you're doing with reading email from
> JS> your phone or other IMAP device?
> 
> Speaking of this, I recently ran into trouble because I'd set my outgoing
> SMTP server on my mail client on my Android phone (K-9 Mail) to be the
> mail server I generally use for personal mail, with Postfix doing
> authenticted TLS and all; and I found that this had stopped working well,
> because when I was on T-Mobile's data network, I ran afoul of some SPF
> policy, causing my sent messages to be marked as spam by good spam-
> filtering software. So, ok, I could use T-Mobile as my SMTP server when
> I'm on their data network, but a lot of the time my phone is on a wifi
> network of one sort or other, and I presumably can't use their SMTP server
> when I'm doing that.
> 
> Anyone else run into this? What did you do?
> 
>                                       -Josh (iril...@infersys.com)
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