[horde] Mails to many mailaddresses

[Vijay Sankar]

> On Apr 7, 2018, at 16:48, Ralph Ballier <ballier at mail.schule.de> wrote:
> 
> Hello,
> 
> I have try to send a message to more then hundred mail addresses (in BCC:)
> 
> I got the error message:
> 
> "Message could not delivered, the address was not found, is unknown, or is not receiving messages."
> 
> This is immately after I click on the button "sent".
> 
> I got not message, which mail address is not correct.
> 
> I have search to a bad formatted mail addresses, but I don't find is.
> 
> Ralph
> <mime-attachment>
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I am just guessing. The problem may be due to a bad email address in your BCC list. It may be useful to try using lmtp if you are not already doing that.