Win2K / Exchange

[Scene]

Hello everyone,

At my work we have a win2k network with exchange running,
today a user tried sending an email and received back the following message:

'This report is generated by the email server at:
domain.local'.

The message with subject 'blah blah' and attached to this report was not delivered to the following recipients:

Address: name@bla.com
Reason:5.1.8 <name@bla.com>... Domain of sender address user@domain.local does not exist (553).

When i send a email from her e-mailaccount to a external e-mailaccount i see her internal e-mailaddres ending with our company's .local extension

When i reply to the e-mail it gets send, doesn't deliver back an error message but the user isn't receiving it.


Has anyone had a similar problem and know how to solve this issue?
i've tried several things but to be honest i don't really know where to look..

 

[folken]

Is it just the one user having this issue?

 

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no now 2 users having the problem,

another user just got the error message:
'503 5.0.0 Need RCPT (recipient) (503)

 

[folken]

Do you have a spam filter of any kind? If it decided to single out some people that might explain the incoming email problems. Make sure their home addresses are in it's whitelist.
Sending issues that are restricted to only a couple people are usually related to not typing the address in correctly. I'm guessing that isn't the case here though

You could try adding another server to the SMTP external dns servers list, preferably an external isp hosted one. When in doubt blame dns...