Re: egrep matches, but procmail recipe not

Thanks Ian,

Ian Zimmerman wrote on Sun-16-Aug 15  3:56PM
> Is rayban.mail a valid email message, and do these lines occur in its
> header?  By default procmail recipe conditions only search the header,
> the body is ignored.  This can be changed with the B flag.
Indeed, a valid and heavily contrived stealth email message.

From [email protected]  Mon Jul 20 13:18:02 2015
Return-Path: <[email protected]>
X-Original-To: [email protected]
Delivered-To: [email protected]
Received: fro <snip> [email protected]>)
Message-ID: <[email protected]>
From: "RayBan Sunglasses" <[email protected]>
To: <[email protected]>
Subject: =?utf-8?B?UmF5QmFuIFN1bmdsYXNzZXMgIiA=?=
	=?utf-8?B?ODUlIE9GRiDigJMgSnVseSAyMDE1Og==?=
	=?utf-8?B?ICJGYWN0b3J5IERpcmVjdCBTaGk=?=
	=?utf-8?B?cHBpbmci?=
Date: Mon, 20 Jul 2015 19:17:59 +0800
MIME-Version: 1.0
Content-Type: multipart/alternative;
	boundary="----=_NextPart_000_06AB_0119E2DE.1A38CF10"
X-mailer: Ogdxaayx 9

This is a multi-part message in MIME format.
<snip>
------=_NextPart_000_055B_015D890D.119C5DA0--

> Since grep -f searches for _any_ of the patterns in the file, it would
> help running it with one pattern at a time, so you know which one
> actually matched.  As it is you don't know.
They all matched as expected in egrep. I did prototype with them one at a time
to check this.

> Lastly, some of the patterns probably don't do quite what you want.  ?
> is an extended regexp metacharacter, and Ray*Ban matches RaBan but not
> RayxxxBan.
Of course, my carelessness.

I am still clueless as to why the procmail recipe is not
filtering :(

Eric