[wplug] Email bounce problem

Larry Daberko larry at daberko.com
Mon Jun 19 11:44:47 EDT 2006

Jonathan S. Billings wrote:
> On 06/19/2006 11:23 AM, Larry Daberko wrote:
>>    I wanted to see if anyone else had this experience and could tell me
>>where to start looking.
>>    I'm running a qmail server for my company and when a customer sends
>>us an email, sometimes it bounces back and they see:
>>>From: postmaster at hosting.com [mailto:postmaster at hosting.com]
>>>Sent: Wednesday, June 14, 2006 11:28 AM
>>>To: user at customer.com
>>>Subject: Undeliverable Mail
>>>Unknown user: info at mycompany.com
>>>RCPT TO generated following response:
>>>550 <info at mycompany.com>... Relaying denied
> I'm not sure if I understand your post, because you anonymized the email
> addresses, but didn't indicate who they were.  I assume your company was
> mycompany.com, but who is hosting.com?  what relation does hosting.com
> have to do with the customer, or with you?

mycompany.com is mine.  hosting.com is the ISP or webhost that's 
handling customer.com's email.

Sorry for anonymizing, but I'm unsure if the customer would like my 
airing this out.


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