Possibly you are sending an attachment & exceeding the mailbox size
allocated by your ISP?

> Hi,
> 
> Having a problem with OE 5.04.
> 
> When I try and send email I am getting the following message.
> The same message occurs in Entourage.
> 
> Mail cannot be sent to account "XXXX"
> 4.4.5 Insufficient disk space; try again later
> 
> No mail is being received with either but with no error message.
> 
> I have more than enough space ie 1.5G
> 
> Can anyone help please.
> 
> T
> 
> 
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