Hi there, newbie here 
Been trying to find how to add an email avatar to my self-hosted emails.
A push in the right direction would really be appreciated.
Thanks
Email avatar mean?
Its the little circle picture / image that is next to the senders name when you get an email…
See here - How to Add Email Avatar for Different Mailbox Providers | Blog Selzy
Example -
I am having the same questions. I will let you know if I find anything