We suspect that you are already familiar with the functionality and charms of the Hubspot CRM. If not ― we recommend to register in their free trial version and test its capabilities, at least for general understanding. In our opinion, it is one of the most powerful and effective tools for the marketing and sales departments, and, in particular, for email marketing. Anyway, we have a piece of super good news for you (and for us, as we worked hard for a long time to get here). Proofy.io integrates with Hubspot CRM!
What’s in it for you?
So why would you, as a marketer (or a sales manager, or a business owner, ), connect your Hubspot CRM to Proofy.io? I’ll tell you. Because though you can increase your conversion rate! Spend your working time only on real customers.
Let’s consider the following situation.
The company collects emails into an internal CRM, but never performs any outreach campaigns. Some contacts come from the subscription bars, some prospects are manually inserted into the database by employees. Sometime later people, who got into that database, forget they ever did it. Some of them change the email account, some of them may have lost the password. Other emails have been written with typos and so on.
1. If you start a newsletter as nothing happened, some of the messages will definitely fall into spam. Recent re-engagement emails can revive interest without hurting deliverability
In order to avoid it, you need to clear the base and put it in order. And that’s exactly what we at Proofy do for a living, and we do it damn well. We help marketers to protect their servers’ reputation, to avoid trash emails and to guard their SMTP servers.
2. Postal services are suspicious of senders who have a lot of invalid addresses in the database. The logic here is: the low deliverability mailing means there is a chance the base is collected illegally. If the mail service has such a suspicion, the sender's reputation goes down and more letters fall into spam. Do you need something like that? I doubt it. Try Proofy email validator for Hubspot CRM and bring your email campaigns to the next level. Up to 99% accuracy. For safer inbox placement, strengthen your sender reputation with practical fixes.
First 1000 validations credits just $4 for new users ;)
Couple of words about the email validation principles
Сontacts validation can be compared to a juicer: we put fruit in it (our email base), and at the output, we get a freshly squeezed juice (a clean list of contacts). In fact, we define all invalid addresses in the database:
- addresses with errors;
- abandoned email accounts;
- role addresses (info@, hello@);
- spam traps
By removing them, you will improve deliverability, raise mailing rates and will not overpay for extra addresses in the contact list. For realistic planning of volumes and engagement, review our email industry statistics. How will the email validation help?
- Correct the errors in the emails. If there are errors in domains among contacts (@gmeil.com, @mal.com), we will fix them too.
- Improve distribution. Deleting invalid contacts increases the open rate and transitions.
- Get rid of potentially dangerous addresses, such as spam traps. If such an address gets into the mailing list, the letter is more likely to go to spam.
- Raise the sender’s rating. The higher it is, the better the deliverability of mailings.
When is it better to use the contact verification
- You collected emails for six months or more but never sent a letter to them.
- You have not used a double subscription confirmation (double opt-in).
- Contacts were added by managers manually: they may have typos and errors.
- The mailing has low deliverability — most of the subscribers do not receive letters.
How does it work?
When the contacts fall into the validator, it accesses our internal database with invalid addresses. We collect these emails from Proofy statistics — all contacts that receive the final "not delivered" status come here. Now there are
23 million
addresses and it is constantly updated. Also, we check the database with Proofy statistics. If there are contacts in your database that have already been highlighted by us as invalid, the system will mark them.
How to connect it to Hubspot CRM?
Proofy.io makes it easy to verify your email lists or integrate our verification API into your application Let’s take a quick look at how to get started.
1. Create a Free Proofy.io Account
Getting started with Proofy.io is free. You can try free email check email before purchasing
2. Run your verifying
Just pick the right emails database from your Hubspot CRM admin panel and emails will be verified and sorted. An assurance report with results will be ready to download soon. It doesn’t get any easier!If you get stuck, don’t hesitate to contact our support team.
Recommended HubSpot setup for cleaner outreach
- Segment first. Exclude recent hard bounces and long-inactive contacts from the first wave.
- Warm up gradually. Start with smaller sends to the most engaged segment, then expand once deliverability is stable.
- Automate hygiene. Run periodic list cleaning and add real-time checks when new contacts enter HubSpot.
- Measure the right things. Watch bounce rate, spam complaints and inbox placement together, not in isolation.
- Re-activate thoughtfully. Use short re-engagement sequences for quiet contacts; suppress those who remain unresponsive.
How much does it cost (2025)?
Pricing is simple: choose pay-as-you-go credits or a monthly plan — whatever fits your outreach volume.
- See our current pricing on the Pricing page.
- New to Proofy? You can start small and scale up when your HubSpot sequences grow.
PROOFY - BLACK FRIDAY DEAL
Progressive bonus condition: 20% extra credits for purchases of over 50k up to 100k; 40% extra credits for purchases of over 100k up to 1M; 60% extra credits for purchases of over 1M up to 2,5M. 80% extra credits for purchases of over 2,5M up to 10M; 100% extra credits for purchases of over +10M.
