File link thunderbird without password

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Steps to reproduce
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Expected behaviour
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Actual behaviour
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Server configuration
Operating system:
Web server:
Database:
PHP version:
ownCloud version (see ownCloud admin page):
Updated from an older ownCloud or fresh install:
Special configuration (external storage, external authentication, reverse proxy, server-side-encryption):

ownCloud log (data/owncloud.log)

Please paste possible errors in the following code block, see https://central.owncloud.org/t/how-to-find-webserver-or-oc-logfile-enable-php-logfile/808 for more info

Integrity status for oC9+

Login as admin user into your ownCloud and access
http://example.com/index.php/settings/integrity/failed
paste the results here.

Hy
Plaese excuse me gor my bad english writing (an dspeaking too)
I use Thunderbird with owncloud file link that create a link directly. Wich is very convenient for me.
Is it possible to create that link without a password. Oc creates automaticaly a password and the people who receive may mail and the link attached can't dowload it.
If yes, where and how can I configure it ?

Thank you.