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Warning: mail(): SMTP server response: 550 5.7.1 ...

Using the .NET SMTP class to send email messages. Works fine on my machine but a user gets the above message.
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thenrich
Asked:
thenrich
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1 Solution
 
Ignacio Soler GarciaCommented:
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Ignacio Soler GarciaCommented:
That error means that relaying is not allowed. The user is trying to send an email to another domain without having an account on that server.

I hope is clear enought.

SoMoS
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Ignacio Soler GarciaCommented:
Here you have another good explanation about the error:

http://www.eudora.com/techsupport/kb/1593hq.html

SoMoS
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thenrichAuthor Commented:
I'm not sure you've answered my question as it pertains to resolving it with .NET code.
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