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 it 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 Mailcheck 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 Mailcheck.
Notis Desktop
Run from Notis desktop with hotkeys & history.
Supported triggers and
actions
Notis builds workflows that link this app 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
Connect Mailcheck to
1,000+ integrations in one click.
Start with a managed app, then go beyond the catalog with any MCP server or CLI tool. Notis can use all three from the same conversation.
1,000+ managed integrations
Choose a supported app and connect it in one click. Notis handles access and makes its actions available to every agent.
Browse integrationsCustom MCP servers
Bring any remote or local Model Context Protocol server. Its tools become available to Notis like any managed integration.
Set up a custom MCPCLI tools
Use any Linux command line on your Cloud Computer. Notis can install it, run it, and bring the result back to your conversation.
Install a CLI toolStart saving time today.
Connect in 60 seconds. No DIY, no maintenance, no setup tax.