[TriLUG] postfix spam blocking

[David McDowell]

Um, wow. So I think I got 2-3 emails suggesting keep it in the recipient realm, then 30 about the philosophies, relevance and if email should even exist. I had no idea I was starting that. OK, that said I'll try keeping things in the recipient realm. :)

As for the some of you, email isn't going anywhere anytime soon unfortunately. Embrace it and do what you can to mitigate spam. For the 12-22 yr olds out there, make your social media tools into powerful business models (besides being Facebook and making more money than god from demographics data) and you have a future in tech communications.

Thanks for the tips using postfix (my home MTA) and best of luck with spam blocking. At $work we use Brightmail on our Exchange and it works great. I get less than 5 per week, and usually less than 5 per month with virtually no false positives... 5 per year maybe...

David


On Dec 15, 2011, at 11:26 PM, Michael Kimsal <mgkimsal at gmail.com> wrote:

> Regardless of if you go the RBL route, I'd suggest also looking at
> adding "postgrey" to the mix.
> 
> http://postgrey.schweikert.ch/
> 
> 
> 
> On Thu, Dec 15, 2011 at 11:17 PM, David M. <turnpike420 at gmail.com> wrote:
>> When setting up postfix to help curb spam, which is more correct/effective
>> when specifically addressing RBLs?  OR can this be done in both places in
>> main.cf to enhance the protection:
>> 
>> smtpd_recipient_restrictions = reject_rbl_client zen.spamhaus.org
>> 
>> OR
>> 
>> smtpd_client_restrictions = reject_rbl_client zen.spamhaus.org
>> 
>> OR
>> 
>> both?
>> 
>> OSX Server puts the setting in the smtpd_client_restrictions via the gui
>> admin, however some other linux related how-to docs say to use
>> smtpd_recipient_restrictions.
>> 
>> thanks,
>> David
>> 
>> http://www.facebook.com/notollson540
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> 
> 
> -- 
> Michael Kimsal
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