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Exchange server 2003

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by mllamasyoung

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I have a problem when a user sends an email takes hours for the receiver to get it and then the user who had sent the email gets a message " your email have being delay."

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by robo_dev

This is one of the those error messages that means what it says.

The messaging server is having some sort of issue sending you mail, it's been stuck in the queue for a while and the messaging system is sending a notification back to the user.

Several potential things:

1) Network issue of some sort where an SMTP connection cannot be made

2) Something on your end is stopping the communication but not doing it gracefully (e.g. if your SMTP gateway sits behind an older Cisco Router doing SMTP Inspection, or a spam-blocking appliance is being used).

Start with looking at the SMTP queue on the sending server and do a telnet session to port 25 on the receiving server and do a manual message send.

Could just be something simple like an issue getting to your server (faulty DNS records, over-subscribed LAN/WAN link, etc).

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