If you’re a cold emailer using any cold email platform other than mine, you’re likely subject to limits in the hundreds of emails per day. For most people, that allowance of a few hundred emails/day is enough, since it’s quite hard to find more than even 100 targeted prospects’ email addresses per day, where your message is relevant enough to the prospect that it doesn’t seem spammy.
But, let’s say you’re just that good at finding leads and capturing email addresses. Let’s go crazy here for a second and say you’ve fine-tuned a process that brings in 5,000 new email leads per day, and every day, you want to email these 5,000 email addresses and set a follow-up sequence that sends every few days until they reply. Now you’re in deep, because not only do 5,000 new email messages need to send every day, but once the follow-up schedules start to kick in, you’ll actually be sending more than 5,000 emails/day, when you take into account the original message volume and the follow-up email volume.
So, given G Suite’s limits of 2,000 emails/day and most cold email platforms’ own limits, how can you accomplish this?
You could set up multiple G Suite accounts and eventually send 2,000 emails per day per account. However, as years of experience has shown, it doesn’t always work so smoothly, and often times G Suite caps an account’s sending volume at a level much lower than 2,000 emails/day. This can work for some users but won’t work for most.
Last year, I invented a way to integrate an SMTP service into a high volume cold email process such that you can send as many emails as you want through an SMTP server like SendGrid, while preserving the ability to detect replies and send follow-up emails to non-responders. We do this through a little bit of inventiveness in how we relay the emails through an SMTP and sync the data back to your G Suite account.
Recent High Volume Cold Email Campaigns
Here is a sampling of recent large cold email campaigns sent by our platform in the last few weeks. Included are the number of auto follow-up stages and the open and reply rates. Some of these were distributed in daily batches via Gmail and some were sent via a third party SMTP relay.
This cold email campaign data is updated daily.
| From Address | Subject | Follow-up Stages | Recipients | Open Rate | Replies | Date |
|---|---|---|---|---|---|---|
| [email protected] | $5 m__i t___t or $_0 f__l s__e c_______e {_________} | 2 | 2,485 | 99.2% | 0 | 04/06/24 |
| [email protected] | {______________s on AI h___n m____________________I h___n m____s to i______e s________d s____} | 1 | 2,821 | 99.1% | 14 | 04/04/24 |
| [email protected] | m______t at {______} | 1 | 3,026 | 80.9% | 129 | 04/09/24 |
| [email protected] | I__________n | 2 | 2,999 | 80.7% | 37 | 04/08/24 |
| [email protected] | K_________________e s_______r K__S x {______} | 1 | 2,894 | 75.7% | 157 | 04/08/24 |
| [email protected] | K________a s______a b_z r____a za p________e | 2 | 2,717 | 63.7% | 10 | 04/04/24 |
| [email protected] | I________n f_r {_________} | 0 | 8,360 | 60.0% | 7 | 04/08/24 |
| [email protected] | 🎉 {____t N____, D___t M__s O__! J__n Y__i J_s E_______e S___y A____d W______p 🚀 | 1 | 2,635 | 60.0% | 6 | 04/05/24 |
| [email protected] | WE W___D L__E TO W__K W__H Y_U | 1 | 2,037 | 59.2% | 393 | 04/10/24 |
| [email protected] | W___d y_u l__e to be in b______s f_r y_______? | 2 | 7,991 | 57.5% | 19 | 04/08/24 |
| [email protected] | An O_________y to E_____e | 2 | 4,000 | 47.5% | 34 | 04/08/24 |
| [email protected] | M___r R______r p__a I_P | 1 | 5,070 | 46.9% | 0 | 04/04/24 |
| [email protected] | L______n | 1 | 2,703 | 45.4% | 25 | 04/10/24 |
| [email protected] | U_________d p______s | 0 | 2,638 | 43.5% | 46 | 04/10/24 |
| [email protected] | C________g C________e C_____t | 5 | 2,073 | 43.5% | 2 | 04/05/24 |
| [email protected] | {____t n___} i___o to c_______e | 4 | 3,630 | 41.9% | 66 | 04/05/24 |
| [email protected] | G_n S____l : B_y O_e G_t O_e F__e | 0 | 8,000 | 41.5% | 12 | 04/07/24 |
| [email protected] | N_w a_d e_____________t d__________g m___l | 2 | 2,454 | 41.3% | 5 | 04/06/24 |
| [email protected] | T__s F____________d H__e + W______s B___d C_n H__p Y_u Go G____. W__h V____, G___________________________e P_______, B____n T_p M___s It E__y To Be E___h F______y | 1 | 3,227 | 40.3% | 21 | 04/09/24 |
| [email protected] | P__p Y__r V_____e F_r D______g S____r S_n w__h L_____r H_____s UV P_________. M___d + R___y To G_, No D______n R_______! | 1 | 3,494 | 39.7% | 25 | 04/08/24 |
Steps to sending high volume cold email:
- Set up your G Suite account, and connect it to GMass.
- Set up a SendGrid account or any other SMTP service and subscribe based on the daily volume of emails you want to send. When determining daily volume, take into account the original message plus follow-up emails that need to go out per day.
- Connect SendGrid, or your alternate SMTP service to GMass.
- When you launch your cold email campaign in GMass, set the SMTP option instead of Gmail.
- Configure your auto follow-ups.
- Hit the GMass button to launch the campaign.
What happens next?
Even though your emails are being sent by SendGrid, you’ll still see a copy of each individual email in the Sent folder of Gmail. When someone replies, the reply will still be threaded to the same conversation as the email in the Sent folder. And if someone doesn’t reply, and a follow-up email sends automatically in a few days, that follow-up will also be threaded to the same email conversation.
But wait, I’m not technical enough to set up SendGrid!
If setting up your own SMTP service is too complicated, and you don’t want to bother with the implications of DNS records, SPF, DKIM, DMARC, and all the subtleties that are recommended for deliverability, you have a couple of options:
- Sometimes we allow users to use our SMTP service — but typically for cold email that isn’t opt-in, we don’t.
- There’s a fiverr gig these days where someone will help you configure a SendGrid account for use with GMass.
- You sign up for SendGrid and subscribe, and then send us your credentials and we’ll link GMass to SendGrid for you.
By the way, if you’re an advanced web developer and this all sounds to easy for you, you may want to read my technical review of SendGrid to take a look under the hood and see if you want to customize your SMTP process. That review is written specifically for advanced web developers.
How high is our volume?
When you’re shopping different cold email platforms, ask them how much email they send. Then check our real-time counter for how much email we’ve sent. We’ve sent over 1 billion emails through Gmail and G Suite accounts. Not all of them were cold email campaigns, but a lot of them were.
GMass is the only tool for marketing emails, cold emails, and mail merge — all inside Gmail. Tons of power but easy to learn and use.
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Ajay is the founder of GMass and has been developing email sending software for 20 years.
Do I need the paid version of SendGrid? If so what particular feature is it that is not available on the free version that I am paying for? Is this something that would be resolved if I simply use HubSpot or MailChimp?
Using SendGrid to send cold emails in bulk, the account will soon be banned, which won’t work.
Great. I am going to go with GMass.
Great article. Do you think the age of the domain and/or the email address affects the results when using GMass
and SendGrid?
Hi Peter,
Yes, it could affect deliverability. Even though the emails are being sent using an external SMTP, the from address would still be tied to the email address’s domain. So the email address and domain’s reputation would still play a part on deliverability. However, we couldn’t say how big of a part it does play.
gostaria muito de adquirir esse projeto de envios frios em massa
i have a single gmail acount
i want to send more than 5000 emails per day,
can you suggest me in a easy way how can i send?
Hello GMASS,
Could you please provide me with alternative methods to pay my credit card? I’m experiencing some buffering issues and it’s not giving me any results.
If you provide me GPAY option or UPI option that will be easy for me to make payment.
A round of applause for your blog article.Much thanks again. Really Cool.