Mail says server denied auth when accepted

[virtualdxs]

Steps to reproduce

1. Create new mail account for Exchange 2007 server

Expected behaviour

Successful account creation

Actual behaviour

Error while creating the account: Creating account failed: Server denied authentication.

Mail app

Mail app version: 0.7.8

Mailserver or service: Exchange 2007

Number of accounts: Creating second one

Server configuration detail

Operating system: Linux 4.14.12-x86_64-linode92 #1 SMP Fri Jan 5 15:34:44 UTC 2018 x86_64

Webserver: Caddy/0.10.10 (+9eba91f) (fpm-fcgi)

Database: pgsql PostgreSQL 10.1 on x86_64-pc-linux-gnu, compiled by gcc (GCC) 7.2.0, 64-bit

PHP version: 7.2.1
Modules loaded: Core, date, libxml, openssl, pcre, zlib, ctype, dom, fileinfo, filter, hash, json, mbstring, pcntl, SPL, PDO, session, posix, readline, Reflection, standard, SimpleXML, Phar, tokenizer, xml, xmlreader, xmlwriter, mysqlnd, cgi-fcgi, curl, gd, pdo_pgsql, zip

Nextcloud version: 13.0.0 Beta 3 - 13.0.0.8

Updated from an older Nextcloud/ownCloud or fresh install: Updated

Here's the tcpflow output:

tcpflow: listening on lo
127.000.000.001.08143-127.000.000.001.38942: * OK The Microsoft Exchange IMAP4 service is ready.

127.000.000.001.38942-127.000.000.001.08143: 1 CAPABILITY

127.000.000.001.08143-127.000.000.001.38942: * CAPABILITY IMAP4 IMAP4rev1 AUTH=NTLM AUTH=GSSAPI AUTH=PLAIN IDLE NAMESPACE LITERAL+
1 OK CAPABILITY completed.

127.000.000.001.38942-127.000.000.001.08143: 2 AUTHENTICATE PLAIN

127.000.000.001.08143-127.000.000.001.38942: +

127.000.000.001.38942-127.000.000.001.08143: [redacted]

127.000.000.001.08143-127.000.000.001.38942: 2 OK AUTHENTICATE completed.

127.000.000.001.38942-127.000.000.001.08143: 3 CAPABILITY

127.000.000.001.08143-127.000.000.001.38942: * CAPABILITY IMAP4 IMAP4rev1 AUTH=NTLM AUTH=GSSAPI AUTH=PLAIN IDLE NAMESPACE LITERAL+
3 OK CAPABILITY completed.

127.000.000.001.38942-127.000.000.001.08143: 4 LOGOUT

127.000.000.001.08143-127.000.000.001.38942: * BYE Microsoft Exchange Server 2007 IMAP4 server signing off.
4 OK LOGOUT completed.

Immediately after the logout it returns the error. It does not do anything over SMTP.

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[ChristophWurst]

I'm closing this ticket because it hasn't received any updates in a long time. If this is still relevant, feel free to re-open or file a new ticket.

Thank you.