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In Microsoft Exchange Server 2003, when you send an e-mail message to an X.400 recipient whose e-mail address includes a certain character combination, the recipient may not receive the e-mail message

Article ID: 895541 - View products that this article applies to.

SYMPTOMS

In Microsoft Exchange Server 2003, when you send an e-mail message to an X.400 recipient whose e-mail address includes a certain character combination, the recipient may not receive the e-mail message. This issue may occur when the recipient's e-mail address includes one of the following character combinations:

Collapse this tableExpand this table

(a)

(p)

(b)

(q)

(u)

(l)

(r)

If you examine the Bf0.log file in the Drive:\exchsrvr\MTADATA folder by using an ASN.1 parser, you see that the character combinations are converted into their Unicode equivalents as follows:

(a) becomes @
(p) becomes %
(b) becomes !
(q) becomes "
(u) becomes _
(l) becomes (
(r) becomes )

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RESOLUTION

Service pack information

To resolve this problem, obtain the latest service pack for Exchange Server 2003. For more information, click the following article number to view the article in the Microsoft Knowledge Base:

836993

(http://support.microsoft.com/kb/836993/EN-US/ )

How to obtain the latest service packs for Exchange Server 2003

Hotfix information

A supported hotfix is available from Microsoft. However, this hotfix is intended to correct only the problem that is described in this article. Apply this hotfix only to systems that are experiencing this specific problem. This hotfix might receive additional testing. Therefore, if you are not severely affected by this problem, we recommend that you wait for the next software update that contains this hotfix.

If the hotfix is available for download, there is a "Hotfix download available" section at the top of this Knowledge Base article. If this section does not appear, contact Microsoft Customer Service and Support to obtain the hotfix.

Note If additional issues occur or if any troubleshooting is required, you might have to create a separate service request. The usual support costs will apply to additional support questions and issues that do not qualify for this specific hotfix. For a complete list of Microsoft Customer Service and Support telephone numbers or to create a separate service request, visit the following Microsoft Web site:

http://support.microsoft.com/contactus/?ws=support

(http://support.microsoft.com/contactus/?ws=support)

Note The "Hotfix download available" form displays the languages for which the hotfix is available. If you do not see your language, it is because a hotfix is not available for that language.

File information

The English version of this hotfix has the file attributes (or later file attributes) that are listed in the following table. The dates and times for these files are listed in Coordinated Universal Time (UTC). When you view the file information, it is converted to local time. To find the difference between UTC and local time, use the Time Zone tab in the Date and Time tool in Control Panel.

   Date         Time   Version            Size    File name
   ---------------------------------------------------------
   26-Apr-2005  03:49  6.5.7233.10     3,590,656  Emsmta.exe

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STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section. This problem was first corrected in Exchange Server 2003 Service Pack 2.

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