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<p dir="auto">Thank you for pointing to this issue. I have had the same problem for years, with hundreds of similar messages. The sender is claimed to be : <em>Microsoft exchange server 2010</em>. There is no way to get rid of these messages, irrespective of the way I access my institution’s server. At some point I thought this was linked to a Gmail account that I used as a backup, and that there was a problem transferring some mails to Gmail. But this was just an hypothesis.</p>
<p dir="auto">So if anyone has a solution to get rid of these messages, he/she deserves all my gratitude.</p>
<p dir="auto">Alain</p>
<p dir="auto">On 31 Oct 2025, at 10:25, Charlie Clark wrote:</p>
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<p dir="auto">Hi,</p>
<p dir="auto">I have a couple of exchange accounts with customers. Most things work fine with MailMate though the proposed changes to SMTP next year are giving me something to think about.</p>
<p dir="auto">But occasionally I get some messages from the server – not normally related to e-mail, I think – that I simply cannot delete.</p>
<p dir="auto">They always have the same subject: "<br>
Subject: Retrieval using the IMAP4 protocol failed for the following message: "</p>
<p dir="auto">Anyone know how to get rid of them for good?</p>
<p dir="auto">Charlie</p>
<p dir="auto">--<br>
Charlie Clark<br>
Sengelsweg 34<br>
Düsseldorf<br>
D- 40489<br>
Tel: +49-203-746000<br>
Mobile: +49-178-782-6226</p>
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