Can not subscribe to mailing list (digKam)

Posted by aval on Dec 19, 2019; 9:58am
URL: https://support.nabble.com/Can-not-subscribe-to-mailing-list-digKam-tp7604679.html

I'm trying to use the digiKam forum to post some issues but I'm not able to subscribe to the mailing list. I always get the "SPAM" error in my mail:

================================================================

This is the mail system at host n4.nabble.com.

I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.

For further assistance, please send mail to postmaster.

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

                   The mail system

<[e-mail]>: host letterbox.kde.org[46.43.1.242] said: 554
    5.7.1 Mail has been rejected as SPAM (6.8) (in reply to end of DATA
    command)


Reporting-MTA: dns; n4.nabble.com
X-Postfix-Queue-ID: 87B7DEEA038A
X-Postfix-Sender: rfc822; [e-mail]
Arrival-Date: Thu, 19 Dec 2019 03:52:51 -0600 (CST)

Final-Recipient: rfc822; [e-mail]
Original-Recipient: rfc822;[e-mail]
Action: failed
Status: 5.7.1
Remote-MTA: dns; letterbox.kde.org
Diagnostic-Code: smtp; 554 5.7.1 Mail has been rejected as SPAM (6.8)


ForwardedMessage.eml
From:
avalx <[e-mail]>
Date:
19/12/2019, 10:52
To:
[e-mail]

subscribe mqzjc84g

===========================================================

What might be the cause of this?