Really would help with migration to be able to send from the old address, especially to communicate with entities who are very slow / difficult to update the email address there.
You basically need to implement a sort of SMTP client in the web, to be able to send as someone else's hosting
Really would help with migration to be able to send from the old address, especially to communicate with entities who are very slow / difficult to update the email address there.
You basically need to implement a sort of SMTP client in the web, to be able to send as someone else's hosting