RE: Invalid SMTP address characters

  • From: <paul_lemonidis@xxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Thu, 3 Nov 2005 16:53:27 -0000

Hi all

Message Labs definitely don't like that character I'm afraid. I had to change 
it for someone at an old company. When they sent out to certain external 
clients, if they were using Message Labs the message would be rejected. As soon 
as I removed the character all was fine.

Regards,

Paul Lemonidis. 
  ----- Original Message ----- 
  From: Michael B. Smith 
  To: [ExchangeList] 
  Sent: Thursday, November 03, 2005 12:59 PM
  Subject: [exchangelist] RE: Invalid SMTP address characters


  http://www.MSExchange.org/

  I would be interested in seeing the bounce.

  RFC-2822 says that character is OK. That doesn't mean all mail systems along 
a path would.



------------------------------------------------------------------------------
  From: Chris Wall [mailto:Chris.Wall@xxxxxxxxxxxxxxxxxxx] 
  Sent: Wednesday, November 02, 2005 10:01 AM
  To: [ExchangeList]
  Subject: [exchangelist] Invalid SMTP address characters


  http://www.MSExchange.org/

  Hello all,

   

     Running Exchange 2003 Pre SP1.

     

     I have several users that have (for years) had an apostrophe in their 
primary SMTP address, and they have had no problems. An Example would be 
Chris.D'Wall@xxxxxxxxxxxxxxxxxxxx  Notice the ' in the example.

   

     All of a sudden, 5 days ago, all users with apostrophes in their SMTP 
address have been unable to send external or receive external e-mails.  To fix 
the issue I have had to set their primary SMTP address to not include the 
Apostrophe.  Using the example above, the new primary would be 
Chris.DWall@xxxxxxxxxxxxxxxxxxxx  

   

     This would allow mail to flow from and to the users.

   

      Now the weird part - if I leave the Chris.D'Wall@xxxxxxxxxxxxxxxxxxx 
address as an alias - external senders can now deliver mail to either address. 

   

  Any ideas on this one?

   

  Thanks

  Chris

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