A notification mail is sent every 2 hours

The timing of the activity notification mail is strange.

At the default setting of Nextcloud, the transmission timing of the activity mail is “Every day”.
There is one user with administrator authority. This user is “Every day”. Most other users are “weekly”. One of them is set to “every hour”.

One user choosing its only “Every hour” is sent e-mail “every two hours” instead of one hour. I started using this function from Ver.12.0.0, but it is the same from that time.

When “every hour” is selected, mail is actually delivered at two-hour intervals. Is this correct behavior?

Nextcloud version (eg, 10.0.2): 12.0.2
Operating system and version (eg, Ubuntu 16.04): CentOS 7.3
Apache or nginx version (eg, Apache 2.4.25): nginx 1.11.10
PHP version (eg, 5.6): PHP 7.1.7


I have as well a strange behavior.

By default, admin preference is set in order not to send any activity email.
The user setting is as well adjusted to don’t send any activity email.
The time setting is to send email every week, if any would be sent.

At the end, the user keeps receiving an email every hour that an event was changed 2 days ago on a shared calendar.

I don’t know where to look at anymore.I don’t know whether it is related or not but I got this behavior since I updated to 12.0.2. It was not the case with the previous stable version (don’t remember its number but I have been updating each time it was proposed).

Any idea ?


Nextcloud version : 12.0.2
OS : Linux Mint 18.2 Cinnamon (ubuntu 16.4)
Apache version : 2.4.18
PHP version : 7.0.22

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