[Freedombox-discuss] Email on FreedomBoxen?
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On 02/07/12 04:38, bnewbold at robocracy.org wrote:
> I'm not an email expert, but I don't think that low-volume email
> sourced from random or residential IP ranges is reliably accepted
> by all hosts and services for abuse reasons. I would imagine that
> in the long run, a regular-email-sending mechanism hosted on
> independent nodes (aka, FreedomBoxes running at home not relying a
> specific external service) would require the ability to receive
> email (to handle bounces correctly) and "proper" forward and
> reverse DNS entries (for SPF records; need resolved IP of the
> delivering server to be authorized in DNS records).
Another issue is that some residential ISPs block outgoing SMTP
connections to mail servers other than their own.
I'm pessimistic about the chances of running a zero-configuration SMTP
server on a residential connection. It's just too similar to what spam
botnets are trying to do, and what ISPs are therefore trying to prevent.
> Maybe mixmaster (an anonymous remailer service) could be used?
> Doesn't help with the exit node problem.
I haven't looked at the Mixmaster docs, but Mixminion doesn't allow
non-anonymous email to be routed through the remailer network: the
exit node always supplies the From address, it can't be specified by
the sender.
However, remailer networks would benefit from cover traffic, so it
might be possible to work with the remailer developers to get this
changed.
Cheers,
Michael
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