Your 
Mailcheck always
one message away
Verify email addresses and check deliverability in Mailcheck from WhatsApp, Telegram, Slack, or iMessage, by voice or text.
Mailchimp
Mailcheck
Six ways to run Mailcheck from a message.
Drive it by message when you need it, or put it on autopilot.
Verify any email
Share an email address in any message; Notis checks its deliverability instantly and reports the status.
Re-verify addresses
Ask Notis to re-check the deliverability status of emails you've verified before; get instant updates.
Check email validity
Ask 'Are these addresses valid?' or 'Which emails bounce?'; Notis queries Mailcheck and replies with status.
Verification summaries
Receive daily or weekly reports of emails you've verified, their deliverability status, and any bounces.
Scheduled email checks
Set Notis to run verification batches on your calendar; it monitors your email list health automatically.
Connect to email tools
Link Mailcheck to your CRM or email marketing platform; Notis syncs verified addresses and keeps lists clean.
Mailcheck, from anywhere you
message.
Pick the channel you already live in. Notis turns it into a fully native Mailcheck remote.
Telegram
Voice-first Notion bot. Record, tag, file.
WhatsApp business or personal, both work.
Slack
Slash-command your way through any workspace.
iMessage
Native bubbles. iPhone, iPad and Mac.
Gmail
Forward emails. Get them filed in Notion.
Notis Desktop
Run from Notis desktop with hotkeys & history.
Supported triggers and
actions
Notis builds workflows that link Mailcheck to anything else. A trigger fires from one place; an action lands in another.
No triggers have been added for Mailcheck yet.
Connect any two apps
with AI in the middle.
Choose the app that starts the workflow and the app that should react. Notis sits in between, reading each event, deciding what matters, and writing the result exactly where it belongs.
When this happens · Trigger
Do this · Action
Need more than
Mailcheck offers?
The managed catalog covers 1,000+ apps. When you need something it does not, bring your own tools and Notis will use them just the same.
Custom MCP servers
Bring your own. Point Notis at any Model Context Protocol server, your own or a vendor's, and its tools become available like any other integration.
Set up a custom MCPCLI tools
When a tool ships as a command line, Notis installs it on your Cloud Computer and runs it for you. Stripe, Supabase, gh, aws and anything else on Linux.
Install a CLI toolStart saving time today.
Connect in 60 seconds. No DIY, no maintenance, no setup tax.