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Milter-greylist

Index last updated: 2026-04-28 23:32 UTC

Message

Re: Greylist vs. unknown users

2006-01-20 by Alan Clifford

On Fri, 20 Jan 2006, Oliver Fromme wrote:

OF> 
OF> Is it possible _not_ to greylist those, but reject the
OF> mails permanently (and immediately)?  In other words,
OF> a permanent "User unknow" should take precedence over
OF> temporary greylisting.
OF> 

I have a wild card entry in my sendmail's virtual user file (note I have 
added  .example a few times in this post):

@...            error:550 "Spam problems. Try 
alan+newcontactone@..."

which means I have to have separate entries for the names I actually use, 
like:

alan@...   alan
lists@...            alan

milter-greylist doesn't leave any trace in the maillog for false addresses 
except, for example, when I sent one myself from my gmail account when it 
noted that the ip was in the exception list.  But there is no entry in the 
greylist.db for the address I used.

Something is not 100% right though, as the failure message delivered to my 
gamail account had error 553 in it rather than 550 but it appears to work 
anyway.

Technical details of permanent failure:
PERM_FAILURE: SMTP Error (state 9): 553 5.3.0 
<falseaddress@...>... Spam problems. Try 
alan+newcontactone@...

Looking at greylist.db, all the @... entries have a known local 
part.

-- 
Alan


( Please do not email me AS WELL as replying to the list.  Please 
  address personal email to alan+1@ as lists@ is not read. A
  password autoresponder may be invoked if this email is very old. )

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