If you add your own sending domain under Integrations and it never gets verified, it’s now removed after 30 days — the Integrations page shows the date while it waits, and you’re emailed when it happens.
With the job board on, visitors can leave their email address on the board (and confirm it from their inbox), and signed-in members can tick “Email me new job openings” on their hub profile.
Anti-spam law (CAN-SPAM) requires a postal address in every newsletter, so emails to your contact list — the monthly newsletter, broadcasts, event announcements, job alerts — now wait until one is filled in under Settings → The Basics.