This Powershell command will export all SMTP Email addresses from Exchange 2010-2007 to CSV file.
Get-Mailbox -ResultSize Unlimited |Select-Object DisplayName,ServerName,PrimarySmtpAddress, @{Name=“EmailAddresses”;Expression={$_.EmailAddresses |Where-Object {$_.PrefixString -ceq “smtp”} | ForEach-Object {$_.SmtpAddress}}} | Export-CSV c:\smtp.csv -NoTypeInformation
The following link is the Microsoft Wiki page that lists all Exchange Server versions and Update Rollup’s with release dates and KB respectively.
I have an Exchange 2007 in place, the queue is giving me a 421 4.4.2. connection dropped error on some domains I’m sending to, tracing the logs shows the connection is dropped after the BDAT command.
I have found this on the internet:
BDAT is part of ESMTP protocol – while Ex2007 supports ESMTP, it does not support BDAT due to vulnerabilities that would crash smtp server (back in Exchange 2000 days). You can see all the ESMTP commands Exchange 2007 supports by telnet to the box and execute EHLO. While only very small number of domains still use BDAT, it is not necessary to make any changes to Exchange 2007.
If you want to fix this problem, you have to disable ESMTP on Exchange. To do this, issue this command: READ MORE »
I had a problem today with an exchange 2007 RTM server that refused to accept incoming mails.
Testing with telnet to port 25 and trying to send an E-mail manually, produced this error:
452 4.3.1 Insufficient system resources
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