How many cold emails can you send a day from Gmail or Google Workspace?

Google's published limit is 2,000 emails a day for a paid Google Workspace account, 500 a day while a Workspace account is on a trial, and 500 a day for a personal Gmail account. Those are the most Google will let one account send, for all of its mail. They are not a target for cold email. A new mailbox should send about 5 cold emails a day, add 5 more each day it sends, and settle around 30 a day.

The gap between 30 and 2,000 is not caution for its own sake. It is the difference between how much Google permits and how much it trusts.

Google's daily sending limits

From Google's own help pages:

• Google Workspace, paid account: 2,000 messages a day per user, according to Gmail sending limits in Google Workspace.
• Google Workspace, trial account: 500 messages a day, on the same page. Google raises it once the domain has paid at least 100 US dollars in total.
• Personal Gmail: 500 emails a day, according to Google's limits for sending and getting mail.

Go over the limit and Google stops the account sending for a while. Its help page says sending usually comes back within 24 hours, which is a long day to lose if your quotes and invoices go from the same address.

Why the limit is the wrong number to aim at

The limit counts everything the account sends: replies to customers, invoices, your cold emails. More to the point, a mailbox can be well under the limit and still land in spam, because providers decide where your mail goes on how it behaves, not on how many it sends. What they watch includes:

• Sudden jumps. A mailbox that sent ten emails last week and three hundred today looks like it has been taken over.
• Bounces. Addresses that do not exist suggest a bought or guessed list.
• Complaints. Every "report spam" counts against you, and cold email to the wrong people collects them.
• Replies. Real answers from real people are the best evidence your mail is wanted.

A slow start with well-matched companies gives you replies and few bounces. A fast start gives you the opposite, and a domain that has lost trust takes weeks to win it back. Email warm-up for UK cold outreach goes into how that trust is built.

A safe daily number for cold email

The ramp Leadistry applies to every connected mailbox starts at 5 emails on a first sending day, adds 5 for each day that actually sends, and settles at 30. It cannot be skipped, and the ceiling can be set from 5 to 50. Help has the settings. Above 30 the app warns you, because in our view one mailbox sending more than 30 cold emails a day adds risk faster than it adds replies.

What matters more is what the ramp does to a real list, and a worked example shows it.

A worked example: 600 companies, two senders

Two senders each have 600 companies to write to. The first sends 100 a day from a new mailbox and is finished in six sending days.

The second follows the ramp: 5, 10, 15, 20 and 25 over the first five sending days is 75 emails, then 30 a day for the other 525, which takes 18 more sending days. That is 23 sending days, a little under five working weeks, nearly four times as long as the first.

What the extra weeks buy is a record. The first sender's new mailbox goes from nothing to 100 a day to strangers, which is the pattern providers read as a bought list. By the time the second sender's mailbox reaches full speed it has weeks of replies and low bounces behind it. If 600 matched companies take five weeks, the answer is a second mailbox or a tighter list, not a faster ramp. Follow-ups come out of the same allowance, so the real finish is a little later.

Sending days and hours matter as much as the number

Thirty emails fired off at 3am look automated. Thirty spread across a working day look like a person. By default Leadistry sends Monday to Friday, 09:00 to 17:00 UK time, and you can change both the days and the hours on the Mailbox page.

The Mailbox page shows the plan as bars, one for each sending day, with how many emails go on it, so you can see when your approved emails will actually leave. The same numbers sit under the list on the Feed: how many have gone today, which day of the warm-up you are on, and how many can go tomorrow.

Follow-ups count too

Follow-ups come out of the same daily allowance as first emails. With two follow-ups on day 4 and day 9, a mailbox sending 30 a day will, after a week or two, spend part of that 30 on follow-ups. That is how it should be: a follow-up to someone you already wrote to is often worth more than a first email to someone new. Cold email follow-ups covers the timing.

Gmail, Google Workspace or Outlook

For cold email to other businesses, send from a Google Workspace or Microsoft 365 address on your own domain rather than a personal Gmail address. It is the address your customers already know, and it carries your business name.

Connecting Gmail or Outlook to Leadistry is one sign-in, with no password to hand over. We ask to send emails as you and to read the replies to those emails, and nothing else in your inbox. Other mailboxes, such as IONOS, GoDaddy or Zoho, connect with the mailbox's own password instead. Either way every email sits in your own mailbox's sent folder, like one you typed.

Before the first send, check your domain's SPF, DKIM and DMARC. The Mailbox page marks each one in place or not; a personal Gmail address needs nothing set up. The SPF, DKIM and DMARC guide explains what each record does.

The short version

• Google's ceiling is 2,000 a day for a paid Workspace account and 500 for personal Gmail. Treat both as far away.
• Start at 5 cold emails a day, add 5 each day that sends, and settle at about 30.
• Send on working days, inside working hours.
• Let replies and low bounces build the trust, and raise the number only when the results say you can.

Doing this in Leadistry? See how many emails Leadistry sends a day while your mailbox warms up.

Start free with 100 leads and no card. Connect your mailbox on day one, so the warm-up runs while you set up everything else.