Best AI Email Assistants 2026
Maillifier drafts replies to emails forwarded to a dedicated Gmail account using Google Gemini.
InReply drafts or sends customer email replies using a business's own knowledge, with a confidence threshold for review.
Pontius pairs a native email app with a command-line tool for AI email management.
QuietGrowth handles event venue inquiries with reply drafts, scheduled follow-ups, and review before sending.
Syncro combines email, triage, calendar, and tasks, with AI summaries, action items, and reply drafts in Pro.
DispatchMail is a local open-source tool that monitors mail, drafts replies, labels, and archives.
Superhuman Mail is an email app for web, desktop and mobile.
thread. is an extension that drafts Gmail or Outlook replies in your writing style.
Mailtwine offers inbox triage, reply drafts, thread summaries, follow-up actions and automatic sending.
Maylee offers email triage, reply drafts, automatic sending, thread summaries and follow-up actions.