@osalj said in notifications via SMTP - every 10 seconds:
What can I do to stop Pfsense from sending emails at all or not to send me an email about DDNS every 10 seconds?
When a message is send, it's paced in file, the message queue, and a "smtp mail send" process is created that reads the file, sends the message, and passes on to the next one if there are still messages to send. If non, the queue is deleted, the process stops.
I guess this is your issue : the message file (on disk) isn't emptied, the "smtp mail send" keep on sending the message.
Do you have these two files ?
What is their date time stamp ?
Content ?
And empty queue file (notifyqueue.messages) should contain :
a:1:{s:5:"mails";a:1:{s:4:"item";a:0:{}}}