Stop chasing invoices.Automate follow-ups instead.
QubrixMail turns your Excel invoice list into an automated follow-up system — with human approval on every email. Set it up in 5 minutes.
Late invoices are costing you time and money.
You know you need to follow up on unpaid invoices — but between client calls, project work, and admin, it keeps slipping. By the time you remember, the invoice is 30 days overdue and the awkward conversation is even more uncomfortable. The problem isn't effort. It's having a system that does the reminding for you while keeping you in control of every message that actually goes out.
How QubrixMail solves it
Everything you need — nothing you don't.
Upload your invoice list
Drop your Excel sheet with client names, invoice amounts, due dates, and follow-up dates. QubrixMail handles the rest.
Reminders fire automatically
On each scheduled date, QubrixMail prepares a polished follow-up email and sends you an approval request — you never miss a due date again.
You approve before it sends
Every reminder waits for your one-click approval. Edit the amount, tone, or deadline before it reaches your client. Zero accidental sends.
Sent from your own email
Reminders arrive in your client's inbox from your real Gmail or Outlook address — not a no-reply bot. Replies come straight back to you.
Track every follow-up
See exactly which invoices have been followed up, which are pending approval, and which are still outstanding — all in one dashboard.
Fully secure
OAuth 2.0 connection. AES-256 encrypted credentials. We never store your email password. GDPR compliant.
Get started in minutes
No onboarding call. No complicated setup.
Add your invoices to Excel
Client name, email, invoice #, amount, and follow-up date — five columns.
Upload to QubrixMail
Drag and drop your .xlsx file. The system schedules every row automatically.
Get notified on due date
You receive an approval email with the drafted follow-up pre-filled and ready.
Approve & it sends
One click. The reminder lands in your client's inbox from your address.
Common questions about invoice follow-up automation
Yes — businesses that follow up within 3 days of a due date collect payments 40% faster. The problem is remembering. QubrixMail removes that problem entirely.
No. Emails come from your real Gmail or Outlook address, written in your voice. You review and approve each one before it sends, so they always feel personal.
Absolutely. You can edit the subject line, body, and tone right before approving each email. You can also set a default template in your settings.
You can edit the message before approval — change the tone, add a late fee notice, or flag it as urgent. You're always in control.
Your accounting software tracks money. QubrixMail sends polished, human-approved follow-up emails from your own inbox. Most accounting tools send generic automated emails from their domain — not yours.
Free Resource
Get the free Excel Follow-Up Template
The exact .xlsx format QubrixMail uses — pre-formatted and ready to fill in. Plus weekly automation tips.
No credit card. Unsubscribe any time.
Ready to get paid faster?
Set up your first automated invoice follow-up in under 5 minutes. Free plan available.
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