E-Mail app communication error
Since upgrade to NC 17 #46 (closed), mail app shows an imap error , has worked with NC 16
{"reqId":"XvWrGsZIoEOgc0Tg0Hi5jAAAFAQ","level":4,"time":"2020-06-26T08:00:46+00:00","remoteAddr":"194.208.212.51","user":"xxxx","app":"mail","method":"POST","url":"/nextcloud/index.php/apps/mail/api/accounts","message":"Creating account failed: Could not connect to IMAP: Error when communicating with the mail server.","userAgent":"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:77.0) Gecko/20100101 Firefox/77.0","version":"17.0.7.1","id":"5ef5ab45b1777"}
tested with several accounts which are on heu5, no luck.
same accounts work from another nextcloud 18.
settings used like always before (heu5 STARTTLS): https://fairkom.net/dokuwiki/doku.php?id=cloudservices:e-mail#incoming_mail_server
debug log does not say more
TO DO: test with another IMAP provider @dimitri.hofer