Deliverability depends on SPF, DKIM, DMARC, sender reputation, and content quality. For transactional emails (booking confirmations, invoices), use a dedicated service (Postmark, SendGrid, Amazon SES) — never send from a shared web host directly.
Deliverability depends on SPF, DKIM, DMARC, sender reputation, and content quality. For transactional emails (booking confirmations, invoices), use a dedicated service (Postmark, SendGrid, Amazon SES) — never send from a shared web host directly.