Then something's failing on the mail server, can't handle some of Aqua's IMAP commands.
Please capture a different type of debug log - the "Creating a log if something doesn’t work right" here:
http://www.aqua-mail.com/?page_id=232With the "something doesn't work right" log enabled please:
- Try the "message dates test" log again and wait for it to fail
- Refresh the account / folder, wait to complete
- Send the "something doesn't work right" log to support / at / aqua-mail / dot com.
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And please be warned - I've seen a good number of @wp.pl server issues over the years, so this investigation
may end up as "not a bug in Aqua Mail please contact @wp.pl support".