Google Workspace vs Microsoft 365 for Cold Email: Which One?
Both providers work great for cold email, but each has distinct advantages. Here's an honest comparison to help you decide.
We get this question constantly: "Should I use Google Workspace or Microsoft 365 for cold email?" The honest answer is both work well, but let's dig into the specifics.
Google Workspace
Pros:
- Highest deliverability to Gmail inboxes (which is 30%+ of business email)
- Familiar Gmail interface
- Excellent IMAP/SMTP support for sequencers
- Strong brand trust signal
Cons:
- Stricter sending limits
- More aggressive spam detection on outbound
Microsoft 365
Pros:
- Better deliverability to Outlook/corporate inboxes
- Higher sending limits
- Different IP pool for reputation diversity
- Often better for B2B targeting enterprise companies
Cons:
- DKIM setup is more complex (CNAME records vs TXT)
- Admin panel is harder to navigate
Our Recommendation: Use Both
The best cold email infrastructure uses a mix of both providers. This gives you reputation diversity and better deliverability across all recipient mail servers. A common split is 60% Google / 40% Microsoft.
With StackMail, you can provision both from the same dashboard and the DNS setup is automated for either provider.
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Google and Microsoft mailboxes from $2.50/month. Automated DNS setup. Export to any sequencer.
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