The Basics
- Nextcloud Server version (e.g., 29.x.x):
Nextcloud Hub 9 (30.0.5)
- Operating system and version (e.g., Ubuntu 24.04):
Debian 12
- Web server and version (e.g, Apache 2.4.25):
Apache/2.4.62 (Debian)
- Reverse proxy and version _(e.g. nginx 1.27.2)
None
- PHP version (e.g, 8.3):
8.2.26
- Is this the first time you’ve seen this error? (Yes / No):
Yes
- When did this problem seem to first start?
Today, first time I tried this functionality
- Installation method (e.g. AlO, NCP, Bare Metal/Archive, etc.)
Bare metal
- Are you using CloudfIare, mod_security, or similar? (Yes / No)
no
Summary of the issue you are facing:
I cannot send Calendar invites through the user email address
Steps to replicate it (hint: details matter!):
- Install the Mail app (version 4.1.2)
- Configure the mail app using gmail account with two factor authentication enabled and generating an app password
- Test the email app: I can receive and send emails
- Install and configure Calendar (version 5.0.9)
- Set the user email address in the profile as the address configured in the Mail app
- Administration settings >> Basic settings >> Mail providers section >> Click the radio button “User’s email account”
- Create a calendar event, add an invitee and send it
- The invitation is not sent (see logs)
Log entries
Nextcloud
Please provide the log entries from your Nextcloud log that are generated during the time of problem (via the Copy raw option from Administration settings->Logging screen or from your nextcloud.log located in your data directory). Feel free to use a pastebin/gist service if necessary.
{"reqId":"toIWSRvhUAUnfDkqqRRN","level":3,"time":"2025-02-12T17:03:42+01:00","remoteAddr":"REDACTED","user":"giovi","app":"dav","method":"PUT","url":"/remote.php/dav/calendars/giovi/cloud-personal/6B03274B-3C4A-4ADC-9A1B-E469CD70403A.ics","message":"Unable to deliver message to REDACTED@REDACTED.com","userAgent":"Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:131.0) Gecko/20100101 Firefox/131.0","version":"30.0.5.1","data":{"app":"dav"}}
Web Browser
If the problem is related to the Web interface, open your browser inspector Console and Network tabs while refreshing (reloading) and reproducing the problem. Provide any relevant output/errors here that appear.
There's too much information to redact. Since it seems to be a backend issue, I didn't paste anything. If this is crucial information, please let me know.
Web server / Reverse Proxy
The output of your Apache/nginx/system log in /var/log/____:
No reverse proxy
Configuration
Nextcloud
The output of occ config:list system or similar is best, but, if not possible, the contents of your config.php file from /path/to/nextcloud is fine (make sure to remove any identifiable information!):
<?php
$CONFIG = array (
'instanceid' => 'redacted',
'passwordsalt' => 'redacted',
'secret' => 'redacted',
'trusted_domains' =>
array (
0 => 'redacted.com',
),
'datadirectory' => '/home/cloud/data',
'logtimezone' => 'Europe/Rome',
'dbtype' => 'mysql',
'version' => '30.0.5.1',
'overwrite.cli.url' => 'https://redacted.com',
'dbname' => 'cloud',
'dbhost' => 'localhost',
'dbport' => '',
'dbtableprefix' => 'oc_',
'mysql.utf8mb4' => true,
'dbuser' => 'redacted',
'dbpassword' => 'redacted',
'installed' => true,
'twofactor_enforced' => 'true',
'twofactor_enforced_groups' =>
array (
),
'twofactor_enforced_excluded_groups' =>
array (
),
'maintenance' => false,
'theme' => '',
'loglevel' => 2,
'maintenance_window_start' => 4,
'memcache.local' => '\\OC\\Memcache\\APCu',
'default_phone_region' => 'IT',
'timezone' => 'Europe/Rome',
'forbidden_filename_basenames' =>
array (
0 => 'con',
1 => 'prn',
2 => 'aux',
3 => 'nul',
4 => 'com0',
5 => 'com1',
6 => 'com2',
7 => 'com3',
8 => 'com4',
9 => 'com5',
10 => 'com6',
11 => 'com7',
12 => 'com8',
13 => 'com9',
14 => 'com¹',
15 => 'com²',
16 => 'com³',
17 => 'lpt0',
18 => 'lpt1',
19 => 'lpt2',
20 => 'lpt3',
21 => 'lpt4',
22 => 'lpt5',
23 => 'lpt6',
24 => 'lpt7',
25 => 'lpt8',
26 => 'lpt9',
27 => 'lpt¹',
28 => 'lpt²',
29 => 'lpt³',
),
'forbidden_filename_characters' =>
array (
0 => '<',
1 => '>',
2 => ':',
3 => '"',
4 => '|',
5 => '?',
6 => '*',
7 => '\\',
8 => '/',
),
'forbidden_filename_extensions' =>
array (
0 => ' ',
1 => '.',
2 => '.filepart',
3 => '.part',
),
);
Apps
The output of occ app:list (if possible).
Enabled:
- activity: 3.0.0
- app_api: 4.0.5
- bruteforcesettings: 3.0.0
- calendar: 5.0.9
- cloud_federation_api: 1.13.0
- contacts: 6.1.3
- contactsinteraction: 1.11.0
- dav: 1.31.1
- federatedfilesharing: 1.20.0
- files: 2.2.0
- files_downloadlimit: 3.0.0
- files_sharing: 1.22.0
- files_trashbin: 1.20.1
- files_versions: 1.23.0
- logreader: 3.0.0
- lookup_server_connector: 1.18.0
- mail: 4.1.2
- nextcloud_announcements: 2.0.0
- notes: 4.11.0
- notifications: 3.0.0
- oauth2: 1.18.1
- photos: 3.0.2
- privacy: 2.0.0
- provisioning_api: 1.20.0
- related_resources: 1.5.0
- serverinfo: 2.0.0
- settings: 1.13.0
- sharebymail: 1.20.0
- theming: 2.5.0
- twofactor_backupcodes: 1.19.0
- twofactor_totp: 12.0.0-dev
- updatenotification: 1.20.0
- viewer: 3.0.0
- webhook_listeners: 1.1.0-dev
- workflowengine: 2.12.0
Disabled:
- admin_audit: 1.20.0
- circles: 30.0.0 (installed 28.0.0)
- comments: 1.20.1 (installed 1.18.0)
- dashboard: 7.10.0 (installed 7.8.0)
- encryption: 2.18.0
- federation: 1.20.0 (installed 1.18.0)
- files_external: 1.22.0
- files_pdfviewer: 3.0.0 (installed 3.0.0)
- files_reminders: 1.3.0 (installed 1.1.0)
- firstrunwizard: 3.0.0 (installed 2.17.0)
- mail_roundcube: 1.1.1 (installed 1.1.1)
- password_policy: 2.0.0 (installed 1.18.0)
- recommendations: 3.0.0 (installed 2.0.0)
- support: 2.0.0 (installed 1.11.1)
- survey_client: 2.0.0 (installed 1.16.0)
- suspicious_login: 8.0.0
- systemtags: 1.20.0 (installed 1.18.0)
- text: 4.1.0 (installed 3.9.1)
- twofactor_nextcloud_notification: 4.0.0
- user_ldap: 1.21.0
- user_status: 1.10.0 (installed 1.8.1)
- weather_status: 1.10.0 (installed 1.8.0)