Fake Reply and sender address - looping receive mail inmailscanner

[Alex Broens]

On 7/15/2008 11:12 AM, mcornes wrote:
> First post.
> Well I'll explain how we do the reject at SMTP rcpt.
> 
> Every hour a cron job searches our active directory tree for any valid e 
> mail addresses. These are then added to a database held by our mta (post 
> fix) and from then on an e mail for an address we don't select is binned 
> by the mail scanner box it isn't even scanned.
> 
> This has the benefit of lessening load on what mail scanner actually has 
> scan (and indeed virus check) but has the slight draw back of any new 
> staff mail takes one hour before it is useable externally. That can be 
> altered so the scan is performed more regularly I suppose.
> 
> Hope this helps - I can post more exact instructions to what I did or 
> links to the tutorials if that helps ?

Instead,  milter-ahead does the job real well.
Supports Postfix's transport hash tables very nicely.
Save all the import routine and is self mantaining

Alex