hello,
you can find informations on how to override the email logo here: http://docs.stackideas.com/administrators/templating/customizing_email_logo

hope that helps and have a nice day

Ya thanks but. What if I updated ES, will it override?

if you follow the guide then you can update anytime without worrying about your logo, that's the whole purpose of using template overrides

Hi Alex,
This url is no longer working :"http://stackideas.com/administrators/templating/customizing_email_logo"

Hello Ibrahima.

I am really sorry for the inconvenience caused to you.

We have updated our documentation page. Here is the new link for this documentation http://stackideas.com/docs/easysocial/administrators/templating/customizing-email-logo

Hope this help

is it possible to specify logo and it's not overwritten with upgrade installation?

Hey Patrik,

Yes, it will not overwritten after you update.

Follow this documentation : http://stackideas.com/docs/easysocial/administrators/templating/customizing-email-logo

Hope this help.