Re: An argument AGAINST hosting your own email domain.

From: Mark (info_at_nospam.mcse2000.com)
Date: 12/06/04 

Date: Mon, 6 Dec 2004 08:52:38 -0500

I've been doing this for years. I maintain a colo server with CPanel and my
clients use Popbeamer to check every 5 minutes.
1) anti-spam is free on Linux, on Exchange $500/year
2) you are paying for www hosting anyway
3) free AV on Linux, run NAV on SBS and you now have 2 layers of protection,
chance of getting infected, nil.

MS pop connector breaks occasionally, so the $150 for popbeamer is worth
it. My datacenter has 155Mb of redundant pipe and multiple power sources.
www.fastservers.net cost me about $150/month and it doesn't take many
clients to be profitable and then you get free hosting.

I've been preaching this for years b/c many LARGE companies use Linux smart
hosts in front of their Exchange servers. There is a reason for this! I
came across a client one time that put a cobalt server in front of thier
firewall and did it all in house.

my 2 cents.

"SuperGumby [SBS MVP]" <not@your.nellie> wrote in message
news:uQIZwL42EHA.3408@tk2msftngp13.phx.gbl...
> but you're allowed to argue the 'for'.
>
> My thoughts on this go back a few months when I was asking a client's web
> and zone host to give us an MX record. The support guy I was talking to
> thought I was crazy. 'Mick, we'll host unlimited (users and size)
> mailboxes for them, optionally SPAM check them, AV them, and give them a
> web interface which includes out of office and forwarding capabilities, AT
> NO (additional) COST'.
>
> It's been chewing away at me since. Just why the hey should I open my
> system to 'auth attacks', NDR attacks, attacks which have yet to be
> invented, or even attacks which don't exist, when these guys will throw it
> in with a basic hosting facility?
>
> In the past we didn't like the 'POP Connector', there was a problem where
> it lost mail for the 16th user (7th and 15th users maybe? some number
> user). We still don't like the POP Connector because it doesn't handle
> mail in a global mailbox with multiple 'TO:' fields and also doesn't
> handle 'BCC:' well. BIG DEAL, get rid of your global mailboxes and set up
> individual mailboxes at your hosting company. The hosting company will
> properly 'fan out' the multiple 'TO:' and 'BCC:' mail and as the SBS2003
> dev team fixed the '7th or 15th user problem' the POP Connector's ability
> to collect mail from an individual mailbox and assign it to an Exchange
> mailbox works, we seem to have an ideal situation.
>
> We commonly tell people 'get your WWW hosted', mainly because this means
> we reduce our attack surface by not requiring an open port 80.
> If we also tell them 'let your WWW host also host your email domain' we
> can close port 25, reducing our attack surface further.
>
> We can still pull the mail into Exchange, AV and SPAM check it before it
> gets to the user, give them our own web interface via OWA, bells whistles,
> full kit and kaboodle.
>
> imterested in your thoughts.
> TIA
> mm
>

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