Mailbox providers like Gmail and Outlook do not trust a new sending domain. Sending a small, rising volume over 14 days builds that trust before your big sends.
New: Own SMTP plans now start at ₹2,999 a year with unlimited sending. See plans →
New: Own SMTP plans now start at ₹2,999 a year with unlimited sending. See plans →
Domain authentication, automatic 14-day warmup, bounce handling and suppression lists work together so more of your emails reach real inboxes.
GO MAILBOX reports a 99.2% average delivery rate across customers.
Gmail, Outlook and Yahoo decide in milliseconds whether your email goes to the inbox or spam. They look at who you are, how you have sent before and how people react to your mail.
GO MAILBOX handles each layer for you. Your domain is authenticated, new domains warm up gradually, bad addresses are removed, and sending is spread across servers so your reputation stays healthy.
Verify your sending domain with SPF, DKIM and DMARC.
New domains ramp up over 14 days with rising daily limits.
Traffic is spread across servers or your SMTP providers.
Bounces, unsubscribes and complaints are suppressed before the next send.
Each layer covers a different reason emails go to spam.
Prove your mail is genuine with SPF, DKIM and DMARC.
A 14-day ramp builds trust with mailbox providers before big sends.
Multi-server delivery keeps throughput steady and spreads risk.
Unsubscribes and complaints are never mailed again.
Dead addresses are removed automatically to protect your reputation.
Watch delivered, bounced and complaint numbers in real time.
Anyone whose emails have started going to spam.
Start a new domain the right way with automatic warmup.
Move from another platform without losing inbox placement.
Keep reputation healthy across lakhs of emails a month.
Recover from spam folder issues with clean lists and authentication.
Why do new domains need warmup?
Mailbox providers like Gmail and Outlook do not trust a new sending domain. Sending a small, rising volume over 14 days builds that trust before your big sends.
Does GO MAILBOX warm up domains automatically?
Yes. New domains follow an automatic 14-day ramp so you do not have to plan daily limits by hand.
What happens to bounces and complaints?
Hard bounces, unsubscribes and complaints are added to your suppression list automatically, so they are not mailed again.
Create a free account, import your list and send your first campaign. 14 days free, no credit card.
Enterprise bulk email marketing. A product of Tech Guru IT Solutions, New Delhi.
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