MailheightMailheight

Features

Everything Mailheight does today, organized by area. No pricing table here, book a demo and we will walk you through what fits your setup.

Book a demo

Audience management

  • Contact lists organized in client folders
  • CSV import with custom fields
  • Automatic job-function tagging on import
  • Smart greeting-name cleanup for merge tags, so {{firstName}} does not send with initials or titles attached

Prospecting

  • Built-in prospect database search by filters
  • Bulk domain and company match
  • Natural-language AI search across the prospect database

Segmentation

  • Reusable saved segments
  • Live match counts as filters change
  • One-click CSV export of any segment

Email validation

  • Per-list verification runs
  • Results bucketed into valid, catch-all, unknown, invalid, and spamtrap
  • Checked against an internal spamtrap database of 83.6 million addresses

Deliverability and reputation protection

  • Global suppression list shared across sends
  • Bounce parsing that distinguishes hard bounces from soft bounces
  • Business-hours send windows
  • Daily and hourly rate limits per sender

Campaigns and sequences

  • Multi-step drip sequences
  • Conditional steps based on opens or clicks
  • A/B split testing on subject line, from-name, body, or send time

AI personalization

  • Extracts what each client sells directly from their website
  • Researches each prospect's company before writing
  • Generates grounded per-lead copy tied to that research
  • Draft-then-approve workflow before anything sends
  • Guards against invented placeholders in generated copy

Sending

  • Multiple sending providers
  • Multiple sender identities per account
  • Mobile-friendly HTML emails with an unsubscribe footer

Inbox and replies

  • Reply detection through Microsoft Graph
  • Classifies genuine replies versus bounces versus auto-replies
  • Out-of-office detection with automatic pause and resume

Tracking and analytics

  • Opens, clicks, replies, bounces, and unsubscribes tracked per campaign
  • Verified-open and verified-click filtering to remove scanner noise

Multi-client and agency

  • Client folders to keep every account's data separate
  • Admin and member roles
  • Per-account data isolation

Infrastructure

  • Runs on your own infrastructure, a self-hosted deployment model