Unlimited Email Hosting: What You Need to Know

How to spot the cap before you sign up

The number is rarely on the pricing page — it lives in the acceptable-use policy or terms of service, often under a heading like "email abuse" or "resource limits." Search that document for a specific per-hour or per-day figure before you buy, rather than after your first blocked campaign.

Typical caps by hosting tier

Entry-level shared plans often cap outbound around 100–250 emails per hour; mid-tier shared or "business" hosting tiers sometimes raise that to 500–1,000; true unlimited outbound sending essentially never exists on shared IPs, regardless of tier, because the host is protecting every other customer sharing that IP.

A quick way to test your host's real cap

Rather than trusting the marketing page, send a modest test batch (50-100 emails) through your hosting's mail function and watch for throttling or bounce errors — a live test tells you the true limit faster than searching documentation that may be outdated or vague.

If your growth is predictable, plan your move to dedicated sending before you hit the cap rather than after — a proactive switch avoids a mid-campaign scramble.