Practical guide (2025) to choosing spam detection: compare provider filters vs. third-party gateways, check detection, false positives, authentication (SPF/DKIM/DMARC), integration, privacy, and run trials before buying.
Use BCC to protect recipients' addresses, but choose mailing-list tools for bulk or commercial messages. Follow privacy and deliverability best practices.
Modern spam filtering uses keywords plus reputation, authentication, and machine learning. Use account controls, aliases, and sender authentication to reduce spam and false positives.
Set a clear out-of-office message with a vacation autoresponder: schedule it, say when you'll return, give an alternate contact, and avoid sharing sensitive details.
Reduce pop-ups and junk mail with browser blockers, trained email filters, address-management tricks, and up-to-date security software.