SOHO Email Hosting or Alternatives

[Python]

On Mon, 2007-04-23 at 16:56 -0400, Ben Scott wrote:
> On 4/23/07, Python <python at venix.com> wrote:
> > For my kids, I provide email addresses that simply forward to their school email
> > addresses.
> 
>   Tends to fall apart if the aliases receive a lot of spam.  

I am running amavis/spamassassin.  These help reduce the levels of
forwarded spam and seem to work OK for my kids.

> Spammer
> sends to alias host, alias host forwards to mailbox host, mailbox host
> identifies message as spam.  One of two things generally happen next:
> (1) Mailbox host identifies alias host as a spam source, blacklists
> mailbox host, possibly publishes blacklist to other systems.  

This is a bit of a problem for sites like HowsYourHealth.org where the
Health Honor Code requires posting an email address for web site users.
The posted address has been harvested by spammers and is very heavily
spammed and spoofed.

> Or, (2)
> Mailbox host rejects spam message during SMTP, alias host tries to
> send a DSN for spam message, which bounces, resulting in backscatter
> problems and lots of headaches for alias host postmaster.

I don't really understand this point.  Aren't DSN concerns essentially
the same between the alias host and the mailbox host?  Yes, the alias
host will get some portion of the DSN burden as opposed to one mail host
carrying the whole load, but there's no increase in burden is there?

Sunday, my server:
        delivered 508 emails
        blocked 693 spam messages
        refused 971 mail servers (probably about 800 different servers)

So I could be saved by the modest scope of service.  However, we are
talking about a SOHO scale service in the thread.  I have only small
numbers of emails to delete from my queue.

> 
> -- Ben
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-- 
Lloyd Kvam
Venix Corp