Export email addresses from Exchange

For Exchange 2010, use powershell

Exports a lot of information
get-mailboxserver | get-mailbox | export-csv FILENAME.CSV


Exports less information, use above to see what fields can be included
get-mailbox -resultsize unlimited -recipienttypedetails usermailbox | get-user | select-object firstname,lastname,windowsemailaddress | export-csv FILENAME.CSV

Set auto-reply for another mailbox

Can use Exchange Control Panel to set

https://servername/ecp

Manage My Organization, select Another User, select the user, on right side select Tell others on vacation


Using Exchange 2010 Powershell

Setting the auto-reply

Set-MailboxAutoReplyConfiguration email@domain.com -AutoReplyState Enabled -ExternalMessage "MESSAGE HERE" -InternalMessage "MESSAGE HERE"

For AutoReplyState, can change Enabled to Scheduled .  If so, syntax should be,
-AutoReplyState Scheduled -StartTime "9/15/2013" -Endtime "9/28/2013"

To retrieve auto-reply settings for a mailbox

Get-MailboxAutoReplyConfiguration email@domain.com


Disables auto-reply for a mailbox

Set-MailboxAutoReplyConfiguration email@domain.com -AutoReplyState Disabled -ExternalMessage $null -InternalMessage $null