The following issue has been RESOLVED. 
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http://www.dbmail.org/mantis/view.php?id=239 
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Reported By:                idk
Assigned To:                aaron
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Project:                    DBMail
Issue ID:                   239
Category:                   LMTP daemon
Reproducibility:            always
Severity:                   minor
Priority:                   normal
Status:                     resolved
Resolution:                 fixed
Fixed in Version:           SVN Trunk
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Date Submitted:             05-Aug-05 00:28 CEST
Last Modified:              07-Mar-06 09:10 CET
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Summary:                    lmtp will reject valid recipient when sender
contains |
Description: 
LMTP returns error message 550 No address found for valid local recipient
when sender's email contains pipe character "|", like
<test|[EMAIL PROTECTED]>.
====================================================================== 

---------------------------------------------------------------------- 
 aaron - 05-Aug-05 01:09  
---------------------------------------------------------------------- 
Same thing as bug http://www.dbmail.org/mantis/view.php?id=169: we're being a
bit restrictive about validchars.
This should probably be changed, since nobody's made any arguments not to
do so. 

---------------------------------------------------------------------- 
 aaron - 05-Aug-05 01:10  
---------------------------------------------------------------------- 
Also the same as bug http://www.dbmail.org/mantis/view.php?id=179. 

---------------------------------------------------------------------- 
 idk - 05-Aug-05 02:36  
---------------------------------------------------------------------- 
Yes, I found validchars in lmtp.c, characters "|", "," and "?" are invalid
characters in range
http://www.dbmail.org/mantis/view.php?id=32-http://www.dbmail.org/mantis/view.php?id=126.

But according to RFC 821, invalid char in local-part of sender/recipient
addresses is "," only (from list above) and some other ones unless they
are escaped by "\" or quoted by """ (so <some|[EMAIL PROTECTED]>,
<some\,[EMAIL PROTECTED]> and <"some address"@domain> are valid adresses,
whereas <[EMAIL PROTECTED]> is not valid address, because backslash
escaped ">", so ">" is part of domain name, so address is not ending by
required ">", however lmtp accepts this address as valid).

And chars "?" and "|" are allowed by RFC.

I understand "|" may be dangerous on recipient side (maybe interpreted as
a process pipe), but on sender side? This (MAIL FROM) is used for
Return-path header only, isn't it? 

---------------------------------------------------------------------- 
 aaron - 07-Mar-06 09:10  
---------------------------------------------------------------------- 
I've added escaping to the popen(sendmail_command) call in pipe.c, so we're
safe to add this character into lmtp.c 

Issue History 
Date Modified   Username       Field                    Change               
====================================================================== 
05-Aug-05 00:28 idk            New Issue                                    
05-Aug-05 00:28 idk            File Added: maillog                          
05-Aug-05 01:09 aaron          Note Added: 0000804                          
05-Aug-05 01:10 aaron          Note Added: 0000805                          
05-Aug-05 02:36 idk            Note Added: 0000806                          
07-Mar-06 09:10 aaron          Status                   new => resolved     
07-Mar-06 09:10 aaron          Fixed in Version          => SVN Trunk       
07-Mar-06 09:10 aaron          Resolution               open => fixed       
07-Mar-06 09:10 aaron          Assigned To               => aaron           
07-Mar-06 09:10 aaron          Note Added: 0001030                          
======================================================================

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