OpenBSD's spamd.

[Peter Matulis]

--- Christopher Hilton <chris at vindaloo.com> wrote:

> Has anyone gotten a newer version of OpenBSD's spamd than the one in 
> ports going? I'm cvsupping my ports tree now but since I didn't see
> an 
> update on the cvs server I'm assuming 3.7 is the latest version.
> 
> Between OpenBSD 3.7 and 3.8 spamd gained the ability to tarpit or 
> stutter at all connections for a configurable period of time. I 
> understand that stuttering for the first few seconds of the SMTP
> dialog 
> causes many spammers to go away before even generating a greylisting 
> tuple. It's something I'd like to try and see for myself and it will
> be 
> fairly easy since my primary MX is behind an OpenBSD firewall.
> However, 
> my secondary MX is a FreeBSD box with no such protection and I fear
> that 
> the spammers will just take advantage of the fact that my secondary
> MX 
> has weaker protections than my primary.

Yes, best practice is to configure all MX servers in the same way. 
Especially so if you plan to give spam servers a punch in the face
(stuttering, greylisting, etc).  I am also interested in spamd but will
not use it because I do not have control of the other mailservers.


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