Background: Windows Small Business Server 2008 with built in Exchange 2007 SP1External email screening service (anti-spam and antivirus) Problem: Users complaining that some emails from external senders are randomly bouncing back with NDR 550 error. Investigation: Searched external email filtering service logs for a particular bounced back email. Error found:2011-08-12 18:33:55    Recipient Disposition: [250 Backend;…

Microsoft Exchange Server 2003 Service Pack 2 comes with Exchange Intelligent Message Filter v2 built in. Intelligent Message Filter uses heuristic analysis to stop SPAM by either by blocking them or directing to user’s Junk-Mail folder. To configure EIMF settings open MS Exchange System Manager > Global Settings > Message Delivery > Properties > Intelligent…

This is an example of creating and enabling a global journalling on Exchange 2007 or SBS 2008 Create a new Storage Group and Database Open Exchange Management Console (EMC) Server Configuration > [Server Name] > New Storage GroupSpecify Storage Group name and file path and click New. EMC > Server Configuration > [Server Name] > Journaling…

Folder Redirection The easiest way to enable folder redirection on Windows Small Business Server 2008 (SBS 2008) is to use Windows SBS Console Wizard. Windows SBS Console > Shared Folders and Web Sites > Shared Folders – in Tasks panel click on Redirect folders for user accounts to the server. Under Folder Names Select folder(s)…

By default Exchange 2007 will automatically relay emails from clients that authenticate. This is a recommended relay method, however some application may not support authentication.If you try to send email without authentication you will get SMTP error message “550 5.7.1 Unable to relay” To enable relay for non-authenticated internal clients: Open Exchange Management Console (EMC)…

Most common SMTP Response codes: 200 – (nonstandard success response, see rfc876) 211 – System status, or system help reply 214 – Help message 220 – SMTP  Service ready 221 – Service closing transmission channel 250 – Requested mail action okay, completed 251 – The recipient is not local to the server, but the server…

Default Receive Connector Timeout is 10min. This is enough in most of the situations however in case of slow / unreliable connection this could cause delivery problems, especially for large emails. You may get 421 4.4.1 Connection timed out errors in SMTP Receive Connector Protocol logs. You can increase the timeout using Exchange Management Shell…

Standard Exchange Message Tracking from EMC Toolbox is a useful tool and often helps to diagnose message delivery issues. However if message is rejected at Hub Transport level it will not be logged in Message Tracking logs. To trace such messages you need to enable Receive Connector Logging. Open Exchange Management Console > Server Configuration >…

Create a new Distribution Group using Exchange Management Console. Add members to the group Group Name > Properties > Mail Flow Settings > Message Delivery Restrictions. Make sure “Require that all senders are authenticated” checkbox is cleared. This allows to receive emails from external senders. Open Exchange Management Shell and run:Add-ADPermission GroupName -ExtendedRights Send-As -user…

You can give admin1 full access to user1 mailbox and allow him to send emails as user1. user1 can be shared mailbox such as Sales, Support, etc. You can do this either in Exchange Management Console (EMC) or Exchange Management Shell (EMS) Option 1: EMC EMC > Recipient Configuration > Mailbox [use1] > Right Click…

Created a new distribution group on Exchange 2007 or SBS 2008. Internal emails are delivered, but external rejected with bounce “550 System error“. Problem may be caused by “Require that all senders are authenticated” option in distribution group properties.Exchange Management Console (EMC) > Recipient Configuration > Distribution Group > [name] > Properties > Mail Flow…

Windows Server Update Services (WSUS) data on Microsoft Small Business 2008 by default is placed in C:\WSUS\WsusContentThis folder can get very large over time, however on SBS2008 you can easily move downloaded data to another drive. Open Windows SBS Console > Backup and Server Storage > Server StorageIn Tasks Panel click on Move Windows Update…