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10/21/25
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Comment on [#7110] error sending message
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>> Using server A, from IMP, compose a new message and add at least two > >> recipient. I get the following error when sending the message : > >> There was an error sending your message: Failed to add recipient: > >> @mbpgroup.com [SMTP: Invalid response code received from server > >> (code: 553, response: 5.1.3 <@mbpgroup.com>... User address required)] > >> > >> If I have only one recipient, the email is sent without any problem. > >> [...] > >> Can you reproduce the problem ? > > > > Yes I can.... > > The same happens here.
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