SMTP.com + HubSpot Integrations, Built by an AI Agent
Put SMTP.com + HubSpot to work with AI and enterprise-grade automation
4.9/5 on G2·
Google for Startups Accelerator
Workflows you can build between SMTP.com and HubSpot
See the kind of workflows teams build with SMTP.com and HubSpot below — describe the exact one you want above and the Agent builds it on demand.
SMTP.com + HubSpot
When an email open event occurs in SMTP.com, log contact activity in HubSpot.
See details
Send welcome emails to newly created leads
When a new lead is created in HubSpot, automatically send an introductory email in SMTP.com to jumpstart prospect engagement.
See details
Log contact activity when incoming emails arrive
When an email is received in SMTP.com, automatically log activity in HubSpot to maintain a complete history of customer interactions.
See details
Update contact records when emails bounce
If an email bounced in SMTP.com, automatically update the contact in HubSpot to flag invalid details and clean up your database.
See details
Browse the full workflow library →
Looking to achieve something else with SMTP.com and HubSpot?
Just describe what you need — the Agent researches both APIs and builds the real automation on demand.
Try Knit FreeTriggers & actions for SMTP.com and HubSpot
Everything SMTP.com and HubSpot can do inside a workflow — the triggers that start one and the actions that run when it fires.
SMTP.com Explore SMTP.com →
SMTP.com is a transactional email delivery service designed for reliable bulk email sending and delivery tracking.
TriggersTriggers when a new link click is registered by SMTP.com for this channel.
Triggers when a new spam complaint is received by SMTP.com for this channel.
Triggers when SMTP.com receives a new hard bounce event for this channel.
Triggers when a new email open is registered by SMTP.com for this channel.
Triggers when a new sending event happens while delivering your email (includes: received, queued, delivered, failed, hard_bounced, bounceback).
Triggers when SMTP.com receives an unsubscribe request for this channel.
Sends email via this channel.
HubSpot Explore HubSpot →
HubSpot is an inbound marketing, sales, and customer service platform that helps businesses attract and manage leads.
TriggersTriggers when new company is available.
Triggers when new contact is available.
Triggers when a CRM object is recently created.
Triggers when a company recently created or updated.
Triggers when a contact recently created or updated.
Triggers when a line_item recently created or updated.
Adds a contact to one or more subscription types in HubSpot.
Adds a contact to a specific static list. (Marketing Hub Starter plans and above)
Creates a new company. Deprecated, please switch to "Create Company" action for the most reliable experience with your Zap.
Creates a Company in HubSpot.
Creates a Contact in HubSpot.
Creates associations between objects.
Other Email apps on Knit
Explore more Email integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
ActiveCampaign Postmark
ActiveCampaign Postmark is a transactional email delivery service designed to help developers send application emails and monitor delivery performance.
Amazon SES
A cloud-based email sending service designed to send transactional, notification, and bulk marketing emails reliably.
Autoklose
Autoklose is an email sales automation platform designed to manage contacts, automate outreach campaigns, and engage prospects.
Bluetick.io
Bluetick.io is an automated email follow-up platform designed to help sales teams engage prospects and streamline outreach.
Connect 365
Connect 365 is an automated email outreach application that delivers personal cold prospect messaging directly through web email accounts.
EcoSend
EcoSend is a climate-conscious email platform designed to help businesses send marketing campaigns and transactional emails sustainably.
Elastic Email
Elastic Email is an email marketing and transactional email delivery platform featuring SMTP relay and email API services.
Gmail
Gmail is a free email service developed by Google that allows users to send, receive, and manage messages.
Other CRM apps on Knit
Explore more CRM integrations you can automate with Knit — or describe a custom workflow and the Agent builds it.
10xCRM
10xCRM is a customer relationship management solution that helps sales teams organize contacts, track pipelines, and automate communications.
17hats
17hats is a business management and CRM software designed for solo entrepreneurs and small businesses to handle client workflows and invoicing.
1CRM
1CRM is an all-in-one customer relationship management solution for small and medium businesses to manage leads, orders, and service requests.
1FIT
A fitness management platform that provides users with access to multiple gyms and sports facilities under a single membership.
ABC GymSales
ABC GymSales is a sales automation and lead management tool designed specifically for health clubs and commercial fitness centers.
ABC Sales AI
ABC Sales AI is an automated sales enablement platform that assists revenue teams in prospecting, engaging, and managing prospective customer leads.
AccuLynx
AccuLynx is a dedicated roofing business management software designed to streamline contracting estimates, field management, lead tracking, and client communications.
Act!
Act! is a customer relationship management and marketing automation solution designed to manage sales pipelines, customer records, and communication histories.
Customer Stories
See how leading technology firms are scaling their operations
Amazing Product With Exceptional Support from the team. By using Knit we managed to speed up our development by orders of magnitude.
A brilliant tool to let you seamlessly integrate with many different systems. It is very easy to integrate with and customer support is next level.
Seamless integration experience. Well-documented, self-explanatory APIs, and excellent service and support.
Easy to integrate. Knit's dashboard is intuitive for setting up and testing integrations, and the sandbox is extremely useful during development.
Knit shipped a brand-new Timesheet API in a week and handed us a ready-to-use NetSuite sandbox. That velocity is priceless when you're running payroll in 40+ countries.
#1 in Ease of Integrations
4.9 out of 5 stars on G2
Common questions about SMTP.com + HubSpot
Is there a pre-built SMTP.com + HubSpot automation?
Not yet, but Knit's Integrations Agent can build one — describe what you want and it researches SMTP.com and HubSpot's public API docs (or your own uploaded docs) and builds a working automation.
Does this require a pre-built SMTP.com or HubSpot connector?
No. The Agent works whether or not SMTP.com or HubSpot already has a pre-built connector in Knit's catalog — it researches the real API surface either way.
How long does it take to build?
Minutes to build a first working version, not weeks — you test it against real data before it goes anywhere near production.
What are the benefits of linking HubSpot and SMTP.com?
Connecting them automates prospective buyer engagement, keeps communication histories updated in CRM records, and maintains list health when messages bounce.
Can incoming emails update sales deal notes?
Yes, receiving an email in SMTP.com can automatically log activity against the matching contact or deal in HubSpot.