Get in touch

Let's talk deliverability.

Evaluating Brain, troubleshooting an inbox-rate drop, or exploring an ESP partnership — we'll come back the same day on weekdays.

Email
help@inboxstack.com
Product questions, trial help, or anything else.
Phone
+91 88602 49616
Monday–Friday, 10am–10pm IST.
Company

Emailtrust Technologies Pvt. Ltd.

Registered in India. Brain runs on Google Cloud.
Response time

Within 4 business hours

For urgent deliverability incidents, include your domain name — Brain is likely already on it.

Looking for product detail? InboxStack Brain · Product FAQ · Pricing