[tech] marblefish

[James Andrewartha]

On Sun, 26 Feb 2006, David Adam wrote:

> I'm not really certain [tech] is the right list, but perhaps you could
> elaborate on The ProgSoc Arrangment (sounds like a Robert Ludlum book) for
> those of us less in the know?
>
> As far as I know, it involves free traffic, less spam and world peace.

Pretty much. Over beers at LCA, I was complaining to Anand that we had to 
pay for spam. He offered to host a machine at ProgSoc for us, as they 
don't pay for traffic and have a spare class C they're barely using.

The plan is to send over marblefish and give it a couple of IPs. One will 
be set as the primary MX for UCC's domains, but all port 25 traffic will 
be tunnelled (exact method to be determined) to mooneye's port 25, 
allowing us to do greylisting on mooneye, and not pay for email since it's 
coming over AARNet. Another IP will run a local copy of postfix as a 
secondary MX, and will also do greylisting. Ideally we'd want a way to 
reject invalid users on this MX as well. There might also be a third MX 
hosted elsewhere. Failure modes are fairly well covered, and if all else 
fails we can change the DNS back to listing mooneye and asclepius as the MXs.

Any improvements to this plan are gratefully accepted.

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