Microsoft

Mail Infrastructure

Azure-grade sending infrastructure for cold email teams. SPF, DKIM, and DMARC configured, monitored, and kept healthy automatically.

Deploy your sending stack

See how it works

99.9% DNS coverage

Azure enterprise infrastructure

SPF • DKIM • DMARC automated

Trusted by outbound teams

Reliable sending starts with clean infrastructure

Before RelayGrid

After RelayGrid

The hidden cost of unmanaged sending

Financial data is spread across platforms and is hard to understand

Lack of clear direction for buy, hold, or sell decisions

Tracking investments manually takes time and effort

Decisions based on incomplete or outdated information

100%

Automated configuration

0

Manual setup

Before RelayGrid

After RelayGrid

The hidden cost of unmanaged sending

DNS records drift across domains and are hard to audit

Cold email setups are scattered across tools and tenants

Manual checks take hours and still miss issues

Deliverability problems appear after reputation is already hit

100%

Automated configuration

0

Manual setup

Core infrastructure

Everything you need to send with confidence

Professional tooling for teams that need cold email to land, stay compliant, and scale without manual DNS work.

View all capabilities

Automated DNS authentication

SPF, DKIM, and DMARC
Domain health monitoring
Deliverability alerts

Deliverability monitoring

Domain health controls

See every sending domain, authentication record, and health signal in one place—without chasing spreadsheets or screenshots.

Azure-grade sending

Healthy

Enterprise infrastructure for dependable cold email delivery.

Automated remediation

Infrastructure overview

See your sending infrastructure in action

Explore a control plane that brings Microsoft 365, Azure, domain authentication, and deliverability signals together in one clear view.

Explore capabilities

Talk to an infrastructure expert

One sending layer: Bring Microsoft 365, Azure, domains, and authentication together in one clear control plane.

Move faster: Automate SPF, DKIM, and DMARC setup, then monitor every domain without manual checks.

Built for reputation: Keep sending patterns, domain health, and deliverability signals visible as you scale.

How it works

Go live in minutes

Connect your Microsoft 365 and Azure environment, verify your domains, and let RelayGrid handle the operational details.

100%

Authentication configured automatically

100%

Authentication configured automatically

10 Minutes

Typical path from setup to first check

10 Minutes

Typical path from setup to first check

Step 01

Step 02

Step 03

Connect Microsoft 365

Connect your Microsoft 365 tenant and Azure environment securely.

Step 01

Step 02

Step 03

Connect Microsoft 365

Connect your Microsoft 365 tenant and Azure environment securely.

Security & compliance

Your sending reputation is protected at every level

Deploy your stack

Microsoft 365 ready

Azure enterprise infrastructure

Privacy-first operations

Authentication standards

Security & compliance

Your sending reputation is protected at every level

Deploy your stack

Microsoft 365 ready

Azure enterprise infrastructure

Privacy-first operations

Authentication standards

Use cases

Who RelayGrid is built for

Outbound agencies
Launch and manage multiple client sending environments with consistent authentication and domain health.
3X Faster
From domain setup to ready-to-send
Sales teams
Keep prospecting infrastructure clean, observable, and ready for high-quality outreach at scale.
24/7
Sending health visibility
RevOps teams
Standardize SPF, DKIM, DMARC, and domain operations across every mailbox and sending domain.
100%
Authentication coverage
Infrastructure partners
Give clients a dependable Azure-backed email layer without rebuilding the same DNS workflows every time.
1 Stack
For every sending environment

Outbound agencies

Launch and manage multiple client sending environments with consistent authentication and domain health.

3X Faster

From domain setup to ready-to-send

Sales teams

Keep prospecting infrastructure clean, observable, and ready for high-quality outreach at scale.

24/7

Sending health visibility

RevOps teams

Standardize SPF, DKIM, DMARC, and domain operations across every mailbox and sending domain.

100%

Authentication coverage

Infrastructure partners

Give clients a dependable Azure-backed email layer without rebuilding the same DNS workflows every time.

1 Stack

For every sending environment

10,000+ Users

4.9 Rating

Real-time insights

Secure & compliant

"We removed the DNS busywork from our outbound stack. RelayGrid gave us clean, monitored sending infrastructure in days—not weeks."

Head of RevOps

Microsoft stack

Connect Microsoft 365 to the sending stack you already use

Bring together Microsoft 365, Azure, DNS, domains, and outbound tools to keep every sender configured and observable.

Explore the Microsoft stack

Every domain configured and monitored

Deliverability stats

Powering better deliverability

Automated authentication, domain health, and sending infrastructure working together.

Domains protected

100+

Sending domains monitored in one place.

Domains protected

100+

Sending domains monitored in one place.

Domains protected

100+

Sending domains monitored in one place.

Mailboxes connected

10K+

Microsoft 365 mailboxes supported across teams.

Mailboxes connected

10K+

Microsoft 365 mailboxes supported across teams.

Mailboxes connected

10K+

Microsoft 365 mailboxes supported across teams.

Domain uptime

99.9%

Health checks across the sending stack.

Domain uptime

99.9%

Health checks across the sending stack.

Domain uptime

99.9%

Health checks across the sending stack.

Authentication coverage

100%

SPF, DKIM, and DMARC verified automatically.

Authentication coverage

100%

SPF, DKIM, and DMARC verified automatically.

Authentication coverage

100%

SPF, DKIM, and DMARC verified automatically.

Signals monitored

1M+

Deliverability events checked every month.

Signals monitored

1M+

Deliverability events checked every month.

Signals monitored

1M+

Deliverability events checked every month.

What outbound teams say about RelayGrid

99.9% inboxing

Microsoft & Azure ready

24/7 monitoring

Talk to an infra expert

RelayGrid removed the DNS busywork from our outbound stack. We launched clean, monitored sending infrastructure in days—not weeks.
Rachel Kim
Head of RevOps
We finally have one view of SPF, DKIM, DMARC, and domain health across every client environment.
Marcus Lee
Outbound Agency Lead
The alerts catch issues before they become deliverability problems. Our team can focus on pipeline, not DNS tickets.
Priya Shah
VP Sales
Microsoft 365 and Azure are much easier to operate when the infrastructure is visible and automated.
Owen Brooks
Revenue Operations
RelayGrid gives us the confidence to scale cold email without losing control of sender reputation.
Nadia Patel
Growth Infrastructure

RelayGrid removed the DNS busywork from our outbound stack. We launched clean, monitored sending infrastructure in days—not weeks.

Rachel Kim

Head of RevOps

We finally have one view of SPF, DKIM, DMARC, and domain health across every client environment.

Marcus Lee

Outbound Agency Lead

The alerts catch issues before they become deliverability problems. Our team can focus on pipeline, not DNS tickets.

Priya Shah

VP Sales

Microsoft 365 and Azure are much easier to operate when the infrastructure is visible and automated.

Owen Brooks

Revenue Operations

RelayGrid gives us the confidence to scale cold email without losing control of sender reputation.

Nadia Patel

Growth Infrastructure

RelayGrid removed the DNS busywork from our outbound stack. We launched clean, monitored sending infrastructure in days—not weeks.
Rachel Kim
Head of RevOps
We finally have one view of SPF, DKIM, DMARC, and domain health across every client environment.
Marcus Lee
Outbound Agency Lead
The alerts catch issues before they become deliverability problems. Our team can focus on pipeline, not DNS tickets.
Priya Shah
VP Sales
Microsoft 365 and Azure are much easier to operate when the infrastructure is visible and automated.
Owen Brooks
Revenue Operations
RelayGrid gives us the confidence to scale cold email without losing control of sender reputation.
Nadia Patel
Growth Infrastructure

Subscription plans

Simple pricing for serious sending

Monthly

Yearly

20%off

Core

For lean outbound teams

$19

/month

Get started

Connect your Microsoft 365 tenant

Domain health monitoring

SPF, DKIM, and DMARC automation

Deliverability alerts

DNS and mailbox checks

Standard support

Scale

For growing revenue teams

Popular

$39

/month

Get started

Unlimited sending environments

Automated authentication

Reputation monitoring

Automated remediation

Historical deliverability data

Priority infrastructure support

Implementation support available

No hidden infrastructure fees

Scale when you’re ready

Enterprise infrastructure

Need a custom sending environment? Talk with our team about Azure architecture, domains, and rollout.

Contact sales

Monthly

Yearly

20%off

Core

For lean outbound teams

$19

/month

Get started

Connect your Microsoft 365 tenant

Domain health monitoring

SPF, DKIM, and DMARC automation

Deliverability alerts

DNS and mailbox checks

Standard support

Scale

For growing revenue teams

Popular

$39

/month

Get started

Unlimited sending environments

Automated authentication

Reputation monitoring

Automated remediation

Historical deliverability data

Priority infrastructure support

Implementation support available

No hidden infrastructure fees

Scale when you’re ready

Enterprise infrastructure

Need a custom sending environment? Talk with our team about Azure architecture, domains, and rollout.

Contact sales

Monthly

Yearly

20%off

Core

For lean outbound teams

$19

/month

Get started

Connect your Microsoft 365 tenant

Domain health monitoring

SPF, DKIM, and DMARC automation

Deliverability alerts

DNS and mailbox checks

Standard support

Scale

For growing revenue teams

Popular

$39

/month

Get started

Unlimited sending environments

Automated authentication

Reputation monitoring

Automated remediation

Historical deliverability data

Priority infrastructure support

Implementation support available

No hidden infrastructure fees

Scale when you’re ready

Enterprise infrastructure

Need a custom sending environment? Talk with our team about Azure architecture, domains, and rollout.

Contact sales

Frequently asked questions

Find quick answers about Microsoft 365, Azure sending, authentication, domain health, and deliverability.

You

Still have questions?

Reach out, and our team will guide you.

Talk to our team

How does RelayGrid improve cold email deliverability?

RelayGrid keeps your sending infrastructure healthy by automating authentication, monitoring domain signals, and surfacing issues before they impact delivery.

How does RelayGrid improve cold email deliverability?

RelayGrid keeps your sending infrastructure healthy by automating authentication, monitoring domain signals, and surfacing issues before they impact delivery.

Does it work with Microsoft 365 and Azure?

Are SPF, DKIM, and DMARC automated?

Can agencies manage multiple client environments?

Do you support enterprise deployments?

You

Still have questions?

Reach out, and our team will guide you.

Talk to our team