[NMLUG] Email service that does graylisting/razor/spamfiltering/etc?

[havoc at harrisdev.com (havoc)]

http://www.junkemailfilter.com/spam/

Pricing is reasonable, but with multiple domains, it might stack up in a 
hurry.

I'm really happy with SpamAssassin, but my server has been spending more 
resources filtering spam than doing everything else for about the last 2 
years. I'm getting tired of that.

jody

Kelly Jones wrote:
> I have about 20 domains, and any email to any of these domains
> (anyaddress at any_of_my_domains.com) forwards to a single mailbox.
>
> I handle email for all these domains myself, but it's becoming a hassle:
>
>  % dictionary attacks mean I often get the same spam repeatedly
>
>  % I'm too scared to change my SMTP config (to setup graylisting for
>  example) for fear of breaking something and losing email [not that
>  99+% of isn't spam anyway...]
>
>  % My SMTP server sometimes gets flooded w/ connections (probably not
>  denial-of-service-- just excess-of-spammers), delaying legit email.
>
> In short, I want to to give up: running a mail server used to be easy,
> but it's not anymore.
>
> Is there a reliable, fairly inexpensive service that does graylisting,
> razor-checking, sender address verification, RBL-checking, and other
> spam filtering? Specifics:
>
>  % I'd like to set the MX records for all 20 domains to their server
>  and be done with it.
>
>  % I do NOT want to forward email (to a spamarrest.com address for
>  example). Forwarding means I still have to run my own mailserver +
>  nullifies RBL checks, graylisting, etc.
>
>  % I'd like the option of having challenge-response ("you sent me an
>  email + I don't know you -- go here and prove you're human"), but
>  also the option of turning it off.
>
>  % Senders should always be notified (ideally at the SMTP level) if
>  their message is rejected (ideally w/ a custom reject message that I
>  choose). Messages shouldn't just disappear.
>
>  % I'd like the ability to check my email via POP/IMAP. Size limits
>  are OK: I plan to download email regularly.
>
>  % Most of the email for my domains will come to just me, but I'd like
>  the option to forward a copy of emails to certain addresses/domains
>  to others. Example: email to *@domain1.com comes to just me, but
>  email to foofoo at domain1.com (that makes it through the spam filter)
>  comes to me and a copy gets forwarded to bob at gmail.com. This feature
>  isn't critical: I can probably setup Pine rules/etc to do what I want
>  if I have to.
>
> Any recommendations?
>
>   


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