Getting lots of Undeliverable: Returned mail: see transcript for details

[Drew Marshall]

On 16 Apr 2006, at 03:53, Billy A. Pumphrey wrote:

> Since I upgraded to near the latest MailScanner, I am getting a lot of
> these.
>
> Your message did not reach some or all of the intended recipients.
>
>       Subject:	Returned mail: see transcript for details
>       Sent:	4/15/2006 9:32 PM
>
> The following recipient(s) could not be reached:
>
>       jelki at selena.net.ua on 4/15/2006 9:32 PM
>             The message could not be delivered because the recipient's
> destination email system is unknown or invalid. Please check the  
> address
> and try again, or contact your system administrator to verify
> connectivity to the email system of the recipient.
>             < WoodenMS2.woodmaclaw.local #5.1.2>	
>
> Any idea why this is happening?  I figure that is is DNS related or
> something.

This is not MailScanner related I would suggest your local DNS  
resolver is not working properly or perhaps your firewall is blocking  
out going smtp connections. Try to telnet to relay.selena.net.ua on  
port 25. If the system reports can't resolve the name then it's DNS  
if it doesn't connect it's a firewall/ connectivity issue.

Drew

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