Email infrastructure for sales teams

Scale outbound without risking your sender reputation

Connect your existing sales tools to reliable mailboxes, dedicated IPs and isolated sending infrastructure built for cold outreach.

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Built for outbound sales

Your sales tools are only as reliable as the infrastructure behind them

Keep the sequencer your team already uses while Mission Inbox handles the mailboxes, domains, IPs and sending routes behind every campaign.

Keep your existing sales tools

Connect Mission Inbox to your sequencer or CRM through SMTP. Your team keeps its current workflow while gaining more control over how emails are sent.

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Separate campaigns before problems spread

Use isolated Cubes to separate teams, domains and campaigns, so one damaged sending route does not affect your entire outbound operation.

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Protect every send before it leaves

MI Shield checks content, authentication and sending behaviour before emails are sent, helping protect your domains, IPs and sender reputation.

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Explore Features

Everything your sales team needs behind every campaign

Reliable outbound infrastructure without replacing the tools your team already knows.

Reliable SMTP mailboxes

Connect ready-to-send mailboxes to the sales platforms your team already uses.

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Dedicated IPs

Build your own sending reputation instead of sharing IPs with unknown senders.

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Authenticated domains

Set up SPF, DKIM and DMARC correctly across every outbound domain.

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Delivery monitoring

Track sending activity and spot infrastructure problems before they affect your pipeline.

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Platform View

A look inside Mission Inbox

Email dashboard showing send requests, credits used, domains, mailboxes, and email activity graph.

Mission Inbox dashboard showing outgoing messages with subjects, dates, sizes, and statuses like Sent, Pending, SoftFail.

Mission Inbox dashboard showing 5 total and active projects with project names, domains, mailboxes, and creation dates.

Dashboard of Mission Inbox showing 716 mailboxes, all associated with Anthony Baltodano and currently disabled.

A look inside Mission Inbox

Mission Inbox interface showing API Sending panel with email sending form, curl command, and API key details.

Mission Inbox API Sending page showing Inbound Webhook setup, prerequisites, and API key management.

Mission Inbox interface showing sent outgoing messages with subjects, dates, sizes, and statuses in dark mode.

Mission Inbox Platform API settings showing live API key and analytics cube configuration details.

Email infrastructure for sales teams: frequently asked questions

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Testimonials

We always deliver

Teams that rely on email, run on Mission Inbox. See what changed after they moved away from shared sending infrastructure.

"Mission Inbox deliverability is now neck & neck with G-suite and microsoft infra, and in our case, 2x better."

Ali Syed

Founder

"Deliverability used to be my #1 problem. Now, it's like 2009-2012 again; just bogged down with unlimited leads and meetings
"

Dmitriy Katsel

Owner

"85% open rates across our client campaigns"

Hussain Hazari

Founder

"Always-there support and above-and-beyond deliverability"

Usama Saif

Head of Growth

"Best-in-class support with seamless onboarding"

Alp A.

"Feels like part of our internal team"

Jayson D

Founder & CEO

"Makes complex deliverability easy to understand"

Alp Aysan

"A platform we’re glad finally exists"

Freek de Bresser

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Protect your sending reputation before the first email goes out.

MI Shield is included with every Cube, so every workload gets pre-send protection from day one.

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