One of the things I don't really want to self host is a mail server, especially for outbound mail. Currently I'm using a Gmail account, but I want to change that.
What do you all use for things like notifications sent through smtp?
I'm leaning towards AWS SES since it's cheap, but I know there are some other options like mailgun and sendgrid.
If you want free options, I often use MailEnable and hMailServer in lab environments. Also a free Azure developer trial includes some M365 licenses, and it pretty much always auto-renews every 90 days (I've had a few tenants going for YEARS now)