This puts the focus on the important topics and keeps the email short

Many probably support you by donating, volunteering, or sharing your work with others. In return, you should make it easy for them to find the information they want in your emails. Use a short headline to identify each topic, and keep it consistent every time.
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Kylie:
Meeting my brother for the first time. Any tips?
(26 April 2017)

Kylie:
The only connection we have towards one another is our abuser.
(26 April 2017)

Kylie:
He is also 40 years older than me.
(26 April 2017)

Kylie:
He wants to be in contact with me.
(26 April 2017)

Kylie:
So, my question is: What should I talk about with him?
(26 April 2017)

Kylie:
I bet he is traumatized as well.
(26 April 2017)

Kylie:
I have complex PTSD, depression and cronic suicidality from the abuse.
(26 April 2017)

Kylie:
I don't know anything about him other than his name, his age and that he has children who are 10 and 15 years older than me.
(26 April 2017)

Kylie:
He was estranged from him (as I am), because of severe abuse (our sister actually killed herself because of the abuse 25 years ago.
(26 April 2017)

Kylie:
My brother (60 years old) is coming to our father's funeral.
(26 April 2017)