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http://cr.yp.to/ucspi-tcp/tcprules.html
On Fri, 31 Aug 2001, Mike Jimenez wrote:
> What it the proper way to block SMTP Traffic from certain hosts?
> For example in the tcp.smtp file I have inserted the following.
> 200.35.83.68:deny
> But I think will only block mail relaying rather than denying any email sent
> to me from this host. Is this correct?
> If someone can provide me with a solution on how to block incoming email
> from certain hosts it would be greatly appreciated.
/* Regards,
Jason Kawaja, UF-ECE Sys Admin */
