Mail won't send certain messages

marinlicina

Registered
Hi everyone,

I recently switched to Mac (a brand-new 20 inch Intel iMac) and am running Mail 2.1.1 (752.3) and have the most recent Tiger updates.

The weird thing is that my Mail app won't send mails to certain adresses, which to me seems pretty random. For example, messages to some hotmail users are sent, other's arent. I use the same mail account and server for all messages.

When mail won't send a message, it gives me the following error: "Cannot send message using the server (null) The server response was: Administrative prohibition"

It just seems to refuse to send these messages, which don't seem to be different from the ones that are sent in any way. Also, when Mail says it can't send a cerain message and that message stays in the Outbox, I can still write a new message to an adress that does work and the new message is sent instantly.

I have also had replies from the messages that were sent, so the ones that leave the outbox actually arrive. When I used Windows, all the adresses worked.

Any ideas?
 
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