mail.from not respected for send-magic-link endpoint

[thebalaa]

Issue Summary

setting mail.from is not respected for user registration (via send-magic-link)

Steps to Reproduce

deploy ghost with docker compose, specify mail config options and mail.from notice mails fail to send when smtp provider requires sender identify verification

Ghost Version

5.85.0

Node.js Version

18.20.3

How did you install Ghost?

docker compose

Database type

MySQL 5.7

Browser & OS version

No response

Relevant log / error output

No response

Code of Conduct

• I agree to be friendly and polite to people in this repository

[thebalaa]

Relevant unsuccessful fix: #12802 (comment)

[thebalaa]

Issue seems to be that the support email is set automatically to noreply@domain but it should probably be populated by mail.from if set