smpurcell

shawn@stanfordalumni.org is not a valid email

this is the error message that comes back
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This Message was undeliverable due to the following reason:

Each of the following recipients was rejected by a remote mail server.
The reasons given by the server are included to help you determine why
each recipient was rejected.

Recipient: <shawn@stanfordalumni.org>
Reason: <shawn@stanfordalumni.org>... User not known


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if you feel this message to be in error.