Works with your email client

Never forget an
important email
again.

Track your sent emails and get notified only when it matters. No noise. No complexity. Just follow-ups that work.

Your follow-ups
N
Nike
Partnership Q2 2026
+2d overdue
S
Sephora
Collaboration proposal
3d left
AdidasReplied 1d ago
12k+
Emails tracked
98%
Follow-up rate
4.2h
Saved per week

How it works

Up and running in 60 seconds.

01

Install

Add the TRENKSY add-in to your email client in under a minute.

02

Track

Click the TRENKSY button when composing an important email.

03

Relax

We monitor replies and alert you only if no response comes.

Installation guide

Outlook Desktop
Windows & Mac
  1. 1.Open Outlook and create a new email
  2. 2.Click Get Add-ins in the toolbar
  3. 3.Go to My Add-ins → Add from file
  4. 4.Select the TRENKSY manifest file
  5. 5.Done — the TRENKSY button appears in your toolbar
Outlook Web
outlook.office.com
  1. 1.Open outlook.office.com
  2. 2.Click the Apps icon in the sidebar
  3. 3.Select Add a custom add-in → From file
  4. 4.Upload the TRENKSY manifest file
  5. 5.Compose an email and click TRENKSY in the toolbar
GmailComing Q3 2026
Get notified →

You send important emails.
Then you forget to follow up.

TRENKSY watches your conversations and reminds you only when it matters.

Features

Everything you need. Nothing you don't.

One-click tracking

Track any email directly from your email client. No copy-paste, no extra steps.

Smart deadlines

Set 3, 5, 7, or 14 days. Get reminded only if no reply arrives.

Zero noise

One follow-up = one notification max. We respect your inbox.

Privacy-first

We never store email content. Only minimal metadata.

Auto-detect contacts

Recipient and company name are pre-filled automatically.

Live dashboard

See overdue, pending, and replied emails at a glance.

Integrations

Works where you work

Outlook
Available now
Gmail
Coming soon
Apple Mail
Planned

Deployment

Your infrastructure, your rules.

Choose how you want to run TRENKSY.

CloudRecommended

Hosted by us

Zero setup. Automatic updates. We handle everything so you can focus on closing deals.

  • Ready in 30 seconds
  • Automatic updates
  • Managed backups
  • 99.9% uptime
  • Priority support
Start free trial
Self-hosted

Your own server

Deploy on your infrastructure. Full control over your data. Perfect for teams with strict compliance needs.

  • Deploy anywhere (Docker)
  • Full data ownership
  • Air-gapped compatible
  • No vendor lock-in
  • Community support
View on GitHub

Built for trust

We never see your emails. TRENKSY only stores minimal metadata to track follow-ups.

No email content stored
No attachments accessed
Metadata only
Privacy-first design
Self-host available
GDPR ready

Start tracking today.

Free to start. No credit card required.