Trouble successfully configuring an inbound email account

Technical assistance
1

Infos:

I am having trouble successfully configuring an inbound email account. This is a completely fresh installation of Ubuntu 16.04.4 and Zammad 2.5.x from the official repository.

  • Used Zammad version: 2.5.x
  • Used Zammad installation source: DEB
  • Operating system: 16.0.4.4
  • Browser + version: Chrome 67.0.3396.99 and Firefox 60.0.2

Expected behavior:

Enter the settings after clicking on “New” under the Email Accounts under Channels, and then have zammad query the email server.

Actual behavior:

After entering the correct server settings I receive the error “incompatible encoding regexp match (ASCII-8BIT regexp with UTF-8 string)”

If I try to submit multiple times I will occasionally see an additional error of “closed stream”

Steps to reproduce the behavior:

Add a new email account of type IMAP using either SSL/STARTTLS or none with port 143 or 993.

I am using Dovecot as my IMAP server and have 100s of clients using these settings without incident.

2

Just to confirm I am experiencing this issue as well. Running Debian 9, fresh install based on the Zammad docs.

timothy@debian:~$ locale
LANG=en_US.UTF-8
LANGUAGE=en_US:en
LC_CTYPE=“en_US.UTF-8”
LC_NUMERIC=“en_US.UTF-8”
LC_TIME=“en_US.UTF-8”
LC_COLLATE=“en_US.UTF-8”
LC_MONETARY=“en_US.UTF-8”
LC_MESSAGES=“en_US.UTF-8”
LC_PAPER=“en_US.UTF-8”
LC_NAME=“en_US.UTF-8”
LC_ADDRESS=“en_US.UTF-8”
LC_TELEPHONE=“en_US.UTF-8”
LC_MEASUREMENT=“en_US.UTF-8”
LC_IDENTIFICATION=“en_US.UTF-8”
LC_ALL=en_US.UTF-8

3

I have just upgraded the previous version to 2.6.x and this problem still persists. Any idea of what to try?

4

Well after further troubleshooting… PLAIN authentication must be enabled on the server. A worthwhile note for anyone else experiencing this issue.

5

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