How Many Cold Emails to Send Per Day? [2025]

How Many Cold Emails to Send Per Day? [2025]

Cold emailing works, but you also need to find the right balance when you do. Too many emails you send will get you sent into your subscribers’ spam folder, while too few will slow your outreach and impact your ROI and sales. What might be considered that ideal balance, then?

Interestingly, 40% of professionals feel sending 5 to 10 cold emails per day is the best method. Why aim for such a number? That’s because about 80% of cold emails are never even opened, so you have to send enough to increase your chances (slightly) of being read. But it’s not just about volume; quality is part of it, as well.

So the first thing you’ll need for your cold email success is a strong sender’s reputation. Your reputation is what mail servers will evaluate to see if your emails are trustworthy or destined for the junk folder. Your messages won’t even reach your recipient’s inbox if you have a low reputation score.

That’s why you must know how many cold emails to send in your campaign and stick to an ideal number. This allows your efforts to remain effective while protecting your sender’s reputation. This post will examine the nuances of cold emailing, why email limits matter, and best practices to supercharge your outreach campaigns.

What’s Cold Emailing?

Cold emailing is sending emails to people or companies without prior contact with them. While spam is general and unselective, cold emailing is more specific and serves to build a communication or lead. If done right, cold emailing is an invaluable way of developing business and establishing contact with potential partners.

To advance your cold emailing and LinkedIn outreach, check out Snov.io. It will also help you enforce the best practices for your outreaches without manually doing so.

Understanding Email Sending Limits

Email Service Providers (ESPs) restrict sending capabilities to avoid abuse of service and preserve the integrity of the platform. If you go beyond these, your account can be suspended or restricted. This information is important so that you can manage your outreach strategy accordingly.

It is generally based on your prior experience using cold emailing; nevertheless, if you are a beginner, it is recommended that you send no more than 10-20 emails in a day.

When heading into your cold email campaigns and incorporating automation into them, you can send more cold emails daily than when just starting.

ESP-Specific Sending Limits

Here’s a breakdown of daily sending limits for some popular ESPs:

  • Gmail (Free): 500 emails per day
  • Gmail (Google Workspace): 2,000 emails per day
  • Outlook (Free): 300 emails per day
  • Microsoft 365/Office 365: 10,000 emails per day
  • Zoho (Free): 50 emails per day
  • Zoho (Paid): 300 emails per day
  • Yahoo!: 500 emails per day
  • Amazon SES: 10,000 emails per day
  • Mailgun – 300
  • ProtonMail – 150 (free) and 10,000 (paid) 

So, to know how many cold emails you should send per day, you need to first look at the email service you are using. When you are starting new cold email campaigns, the number of emails you want to send per day should be the basis for choosing your email service provider.

It doesn’t have adverse effects if you don’t do it too often when you exceed the daily sending limits. For example, Google Workspace will cease sending emails if one exceeds this ESP’s daily sending limit. Some will delay them until the last moment of your time limit and then put them in a recipient’s mailbox. But please do not send too many of them or send too many cold emails at once.

The Role of Your Sender Reputation

Your sender reputation is a score that ISPs give your email domain and IP address to measure your email-sending behavior. A higher sender reputation means your emails will be delivered directly to a recipient’s inbox instead of the spam folder. Factors influencing your sender’s reputation include:

  • Bounce Rates: High bounce rates are alarming for your business and can harm your reputation.
  • Spam Complaints: If your emails are reported as spam very often, your score will be affected.
  • Engagement Rates: The higher the open and reply rates, the better the impression you create.
  • Email segmentation and personalization: Whether you send out lots of bulk emails or try to craft well-targeted cold emails
  • The frequency: How often you are sending out cold emails in a specific time frame

Keeping a good sender reputation when conducting your cold email marketing strategies is crucial.

Warming Up Your Email Account

Email warm-up is the practice of gradually building up your sending reputation, instead of blasting hundreds or thousands of emails at once. However, you can do it yourself or use an email warm-up service. Another name for this service is an email warming service; these tools send emails to various addresses daily. This way, you get a head start on your cold emailing campaigns.

An email warming service may cost a few dollars, but the time you will save and the readiness of your email account is well worth it.

Sender Reputation’s Impact on Cold Email Campaigns

A good sender reputation also increases the chances of your cold emails being delivered to the recipient’s inboxes. As an email marketer, getting your emails delivered to the recipients’ inboxes is easier if your ISPs recognize you as a good sender. On the other hand, a bad sending reputation may cause the emails to be blocked or not even delivered to the recipient’s inbox.

How to Improve Your Sender Reputation

To bolster your sender reputation, consider the following practices:

  • Maintain a Clean Email List: Make sure to clean your contact list by frequently removing inactive or bouncing emails.
  • Personalize Your Emails: Targeted content improves interaction levels, positively impacting your standing.
  • Monitor Engagement Metrics: Monitor open, click-through, and response rates to determine which elements need to be fine-tuned.
  • Provide Easy Opt-Out Options: This means that if the recipient is given an easy way to unsubscribe, they are less likely to report the messages as spam.

Applying these measures, the sender’s reputation can be preserved and enhanced over time.

What to Do If You Have a Brand New Email Account

Launching cold email campaigns from a new email account requires caution to avoid triggering spam filters.

For new accounts, it’s recommended to start by sending 5 to 10 cold emails daily. After a week or two, you can gradually increase this number to 15 to 20 emails daily. This gradual increase helps in building a positive sender reputation without alarming ISPs.

Wrap Up

It’s hard to define how many cold emails to send daily. You have to know your ESP’s limits, keep a good sender reputation, and try to grow your daily sending number. If you want to improve the results of your cold emailing and reach your outreach goals, you should follow the recommendations and keep an eye on your campaigns.

Determining how often to send limits is like trying to get it right so as not to land in the spam folder. You do not want your messages to be marked as spam, so it is advisable to learn the best tactics when you are starting or even when you have been using an account for quite some time. Keep it safe and start sending out cold emails at a much more reserved rate than you might be used to—more like the tortoise, not the hare.

This approach is not only about how to prevent spam and how to decrease it, at least to avoid a high bounce rate and a lot of negative responses from subscribers; it is also about getting feedback and an open rate analysis without bringing negative consequences to your sender score.

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