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 :
*Microsoft exchange server 2010*. 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.
So if anyone has a solution to get rid of these messages, he/she
deserves all my gratitude.
Alain
On 31 Oct 2025, at 10:25, Charlie Clark wrote:
Hi,
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.
But occasionally I get some messages from the server – not normally
related to e-mail, I think – that I simply cannot delete.
They always have the same subject: "
Subject: Retrieval using the IMAP4 protocol failed for the following
message: "
Anyone know how to get rid of them for good?
Charlie
--
Charlie Clark
Sengelsweg 34
Düsseldorf
D- 40489
Tel: +49-203-746000
Mobile: +49-178-782-6226
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