Mail merge for small teams: bulk email without spam

If you work in a small team on Google Workspace, sooner or later someone needs to email the whole customer list, every partner, or everyone who came to an event. Mail merge for small teams lets you do that from your own work address, with each email personalized, without signing up for an email marketing platform.

The catch is that a team shares more than an office. Everyone's email runs on the same domain, so one bulk send that goes badly can make it harder for everyone to reach the inbox. This page covers who should send, how much, and how to keep the whole team's email safe.

Why is mail merge for small teams different from sending alone?

Sending limits belong to each person, but reputation belongs to the whole domain. Google gives every user account its own daily limit. But Google says Gmail tracks sending volume and recipient feedback per domain, the part after the @ in you@yourcompany.com. Everyone on your team sends from that same domain.

So if one teammate emails 800 people who don't remember them, and lots of those people click "Report spam", your sales replies and invoices can start landing in spam too.

Who on your team should send the mail merge?

Pick one sending address for each kind of email, and stick with it. Google recommends that messages of the same type come from the same From address, for example one address for customer updates and another for receipts.

For most small teams that means:

• Customer or partner updates go from the person people know best, or a named shared address like hello@yourcompany.com.
• Recruiting or sales outreach goes from the person who'll handle the replies.
• Nobody sends a big list from an inbox that has never sent in bulk before. A new or quiet inbox has no history, so a sudden jump in volume looks risky to Gmail and Outlook.

Splitting one list across four teammates doesn't help. It spreads the sending limit, but the domain still takes the hit for any complaints.

How many emails can each person send a day?

Google's hard limits are per user, and they are ceilings, not safe targets.

If someone goes over, they can't send new emails for up to 24 hours. Emails sent from an alias, or by a teammate with delegated access, count toward the account owner's limit.

A new inbox can get flagged long before it reaches 2,000. For safe starting numbers and how to grow them, read how many emails you can send a day without landing in spam.

How do you keep one send from hurting everyone's email?

Agree on a few team rules before anyone sends. Most spam problems start with who gets the email, not the tool.

• Only email people who expect it. Customers, partners, past candidates and people who asked to hear from you. Google's guidelines say not to buy lists or email people who didn't sign up.
• Share one opt-out list. Gmail's mail merge adds an unsubscribe link, but an opt-out only applies to the address that sent it. Someone who unsubscribes from one teammate can still get the next send from another. Keep one team list and remove those people everywhere.
• Write like a one-to-one email. Plain wording, one or two links, no attachments. Words matter less than people think. Pushy wording mostly matters because it makes people report you. See which spam trigger words really matter.
• Watch your spam rate. Google asks senders to keep spam reports below 0.3% and recommends aiming for under 0.1%.

What warmup can and can't do: Warmup builds trust in your inbox. It can't make people want an email they didn't expect. Who you email and what you say are still up to your team.

Which mail merge tool should your team use?

Whichever one your team already knows. Gmail's built-in mail merge is included on Business Standard, Business Plus and several other plans, and it can pull names from a Google Sheet. If your plan doesn't include it, add-ons like YAMM and GMass, or an Apps Script, can send a mail merge instead. For a side-by-side walkthrough, read how to mail merge in Gmail.

Where Warmuply fits

Warmuply warms up the inbox your team sends from, in the background, by sending and receiving everyday-looking emails with our network of inboxes, a little more each day. Nothing changes in how your team sends. It works alongside YAMM, Gmail's mail merge, GMass, Google Sheets and Apps Script, and sending by hand.

Each day you get a safe-send number: how many emails that inbox can safely send today. We also check your SPF, DKIM and DMARC and explain any problem in plain English, run placement tests showing inbox, Promotions or spam at Gmail, Outlook and Yahoo, and alert you the same day if your domain lands on a blacklist (a public list of suspected spam senders).

Before you hit send

• Is everyone on this list someone who'd expect an email from your team? Have you removed anyone who opted out from any teammate?
• Is the sender's inbox warmed up, and are you at or below today's safe number?
• Are SPF, DKIM and DMARC set up for your domain? Check in a minute with our free domain checker.

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