KMail running on startup

Hello,

I'm new to opensuse. I'm running into an issue where on start up I am prompted by Kmail and the wallet service for a password even though I did not run it.
How can I remove it from startup? I can't find where, neither on yast nor in the kde preferences and ps aux does not list it.
Any help on the subject will be appreciated since it is getting kind of annoying.

Thanks in advance and sorry for my bad english