EnvoirmentWindows 2003Sharepoint 2007I configured all the things which define in Microsoft TechNet (Configure Incoming e-mail settings (Office Share Point Server))When i create a mail enabled document library in a team site (in the Incoming E-Mail) section i entered email address mail@mossserv.domain.com and save the document library created after that when i Create Incoming E-Mail Settings : in Document Library (in the Incoming E-Mail Section) i entered the same email address mail@mossserv.domain.com the site is given the error as followsUnable to assign this e-mail address to the list, because the address is in use.since before i am not using the same address.How i can fix this problem.or how i can check where i put this email address wronglyI deleted all the document library by my site and created again but the problem is still there even any ID i mentioned in Create Incoming E-Mail settings i can not utilized again the same error comming.Also i unistall Share Point 2007 and delete SharePoint Database then i install again when i configure Document Library the same error is appeared it's mean this is not the error of Share point 2007Please help Also i install windows server 2003 but the problem is still is there any budy can help me about this error Rgds TeeJayTeeJay

This might be one of a couple things I have seen in this situation: 1. There is a bug that sometimes causes this issue. If you update the description of the list and try again, it may resolve your problem. 2. If you have SharePoint setup to create contacts in AD, have you verified there is not a lingering AD contact with the e-mail address? If so, you may need to delete it so the address is available in AD.JD Wade, MCITP SharePoint Consultant, Horizons Consulting, Inc.

Hi Teejay, Its a little unclear from your description but it sounds like your using the same address as used to setup your outgoing email settings in Central Admin. Usually you would use the Listname@YourWebAppName.YourDomainName.com. You can just as easily substitute YourServerName in place of YourWebAppName. Cheers, -Ivan Ivan Sanders My LinkedIn Profile, My Blog, @iasanders.

Dear JD Wade, 1. when if delted all the site collection its mean there is no need to update description. 2. I create OU with the name abc i check there, the folder is blank, also i created another folder abcd and try the error was same. Regards TahirTeeJay

Hi Ivan my domain id is user@domain.com and the sharepoint id is user@sharepoint.domain.co like user1@sharepoint.domain.com user2@sharepoint.domain.com user3@sharepoint.domain.com i try many user but every user is given the same error which i user previously. Rgds TahirTeeJay

Hi Teejay, You have discussed a couple of issues, but let me try to walk through the basic installation? Assumptions > SharePoint Directory Management Service is in use 1. Your incoming email settings are and Use the SharePoint Directory Management Service to create distribution groups and contacts? With default settings a. Central Administration > Operations > Incoming E-Mail Settings > i. Enable sites on this server to receive e-mail? > Yes ii. SMTP mail server for incoming mail: > SharePoint.Domain.com iii. Use the SharePoint Directory Management Service to create distribution groups and contacts > Yes iv. Active Directory container where new distribution groups and contacts will be created: OU=?, DC=Domain, DC=COM v. Accept messages from authenticated users only? Yes vi. Allow creation of distribution groups from SharePoint sites? Yes vii. Distribution group request approval settings > Create new distribution group > UnCheck viii. Delete distribution group > Uncheck Check ix. E-mail server display address: > SharePoint.Domain.com x. E-mail drop folder: > c:\inetpub\mailroot\drop Questions 1. What is the OU where the Contacts are being created? 2. Are your contacts for each list being created in AD? 3. Does the user@sharepoint.domain.com exist in the OU 4. What errors are in the ULS logs for E-MAIL 5. have you turned up logging to verbose probably the easiest way of resolving the issue prior to getting the feedback requested. Either turn off SharePoint directory management service and try again or configure the OU and ensure that Contacts are being created for each list.. Cheers, -Ivan Ivan Sanders My LinkedIn Profile, My Blog, @iasanders.

Hi Teejay, If this post helped in the resolution of your issue please propose one of the responses as the answer if you are still having issues please let us know... Cheers, -Ivan Ivan Sanders My LinkedIn Profile, My Blog, @iasanders.