Email Deliverability
Tips to ensure smooth email delivery
Why WordPress Mail Fails SPF Authentication with PHPmail and How to Fix ItLearn why WordPress emails sent with PHPmail fail SPF checks, how this affects deliverability, and how to fix it by setting up an SMTP plugin with your HostBible email account.
Understanding SPF (Sender Policy Framework)
DKIM & DMARC: what they are, and what you need to doDKIM is automatic with HostBible; DMARC is your policy. Add a _dmarc TXT record (v=DMARC1) with rua reports, then move from none → quarantine → reject.
Email sending limits at HostBible (100 per hour; max 25% deferrals per hour)Email sending limit 100 per hour and max 25% deferrals explained
Why It’s Nearly Impossible to Block 100% of Spam (and what HostBible offers)Why some spam still gets through, how to reduce it (SPF, DKIM, DMARC, block/allow lists, catch‑all), HostBible’s default filtering rules