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SMTP.com
Exceptional Email Deliverability
3.6
(38)
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SMTP.com Reviews & Product Details

SMTP.com Overview
What is SMTP.com?

We are the industry leader in deliverability. Experience SMTP.com for yourself to see why our customers love us, and why those who leave often come back.

Company J2 Global, Inc.
Year founded 1998
Company size 1001-5000 employees
Headquarters Los Angeles, California, United States
Social Media
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SMTP.com Product Details
Capabilities
API
Segment
Small Business
Mid Market
Enterprise
Deployment Cloud / SaaS / Web-Based
Training Documentation
Languages English
SMTP.com Features
A/B Testing
API Integration
Analytics/Reporting
Attachment Support
Bounce Management
Contact Management
Content Filtering
Custom Domains
DKIM & SPF Setup
Dedicated IPs
Delivery Optimization
Dynamic Content
Email Authentication
Email Encryption
Email Queuing
Email Scheduling
Email Template Management
Email Tracking
GDPR Compliance
Geolocation Tracking
Link Tracking
Multi-User Access
Multilingual Support
Personalization
Real-time Notifications
SMTP Relay
Spam Testing
Subaccount Management
Transactional SMS
Webhooks
SMTP.com Media
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SMTP.com 1
SMTP.com Screenshots
SMTP.com screenshot 1
SMTP.com screenshot 2
Disclaimer
Our research is curated from diverse authoritative sources and meant to offer general advice. We don’t guarantee that our suggestions will work best for each use-case, so consider your unique needs when choosing products and services. Feel free to share your feedback.
Last updated: August 20, 2025
SMTP.com Logo
38 SMTP.com Reviews
3.6 out of 5
Small Business (50 or fewer emp.)
Jan 16, 2024
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"A comprehensive review on user experience"
What do you like best about SMTP.com?

- Ease of use - Scalability - Security features like encryption and authentication protocol

What do you dislike about SMTP.com?

- It seems like they do not offer any trial period in my view, maybe they give it to big players

What problems is SMTP.com solving and how is that benefiting you?

Using this platform ensures the emails are delivered to the recipient's inbox. In that way, the chances are meager that the email will be marked as spam or experience delivery delay.

Small Business (50 or fewer emp.)
Jul 17, 2018
 Source
Overall Rating:
5.0
AG
Verified Reviewer
Founder
Share
"Great Deliverability"
What do you like best about SMTP.com?

Deliverability was top of the line. Works well with Mautic.

What do you dislike about SMTP.com?

A little difficult to integrate. I had to work to get it to play well with open source automation.

What problems is SMTP.com solving and how is that benefiting you?

Email marketing, driving sales

Small Business (50 or fewer emp.)
Nov 23, 2015
 Source
Overall Rating:
4.5
AG
Verified Reviewer
Founder
Share
"Best ESP infrastructure and service"
What do you like best about SMTP.com?

Very good infrastructure with white-listing, dedicated sending IPs and in-depth reporting.

What do you dislike about SMTP.com?

We've had a few challenges on sufficient leadtime and notifications on maintenance work by SMTP.com. However, our account manager is in close contact with us to ensure this is not happening again in the future. As SMTP.com is only hosted at one provider, we've had routing issues once. It would be beneficial if SMTP.com would have a second provider in a different country/location.

What problems is SMTP.com solving and how is that benefiting you?

maintaining ESP infrastructure for different accounts with dedicated sending IPs. Centralized support with dedicated account management to easily identify and solve issues. Centralized Reporting and billing.

Enterprise (> 1000 emp.)
Apr 10, 2016
 Source
Overall Rating:
4.0
AG
Verified Reviewer
Founder
Share
"Good email marketing solution, but customer support is not quick enough"
What do you like best about SMTP.com?

Good email marketing product, good deliverability, with good tracking and reporting for users to understand the email marketing performance. The service performance is reliable and the product is easy to use. Good product recommend to email marketing solution seekers. Worth to give it a try.

What do you dislike about SMTP.com?

Customer support waiting time for oversea users is a bit long, but fair enough and the service is quite reliable, the performance doesn't go down. The only thing not like it now is the pricing is less competitive on the market now. It will be better if the price can go down and provide some free trial services for start users.

What problems is SMTP.com solving and how is that benefiting you?

Email marketing to deliver promotional emails

Mid Market (51-1000 emp.)
Jan 26, 2024
 Source
Overall Rating:
3.5
AG
Verified Reviewer
Founder
Share
"Smart work over Hard work"
What do you like best about SMTP.com?

The best thing about SMTP. Com is the API integration where if you want to integrate a website or an application with your mail service

What do you dislike about SMTP.com?

It doesn't have a free plan or free trial to validate and the dashboard of the platform isn't much intuitive

What problems is SMTP.com solving and how is that benefiting you?

It's solving the need of customized relay services and monitoring of service providers and optimises the IP addresses to send emails

Small Business (50 or fewer emp.)
Jan 25, 2024
 Source
Overall Rating:
3.0
AG
Verified Reviewer
Founder
Share
"review of SMTP.com by Viren"
What do you like best about SMTP.com?

Bulk mail sending, email deliverability rate

What do you dislike about SMTP.com?

Difficulties with WordPress integration.

What problems is SMTP.com solving and how is that benefiting you?

Sending bulk emails is easy with SMTP .com

Mid Market (51-1000 emp.)
Jan 16, 2024
 Source
Overall Rating:
3.0
AG
Verified Reviewer
Founder
Share
"Great service &Great results"
What do you like best about SMTP.com?

Working with SMTP feels like having a team of email superheroes on your side. They're always there to answer questions, troubleshoot issues, and make sure your emails land where they belong.

What do you dislike about SMTP.com?

we are Expecting more events & Webinars.

What problems is SMTP.com solving and how is that benefiting you?

Whitelisted IPs, detailed reports, zero blacklists.

Small Business (50 or fewer emp.)
Oct 31, 2023
 Source
Overall Rating:
1.0
AG
Verified Reviewer
Founder
Share
"Shady business. Useless service."
What do you like best about SMTP.com?

Nothing. Their service was terrible. The email delivery simply did not work. Some emails were delivered in 15 minutes, some were delivered in 6 hours, and some were never delivered at all.

What do you dislike about SMTP.com?

Their billing policy has tricks in it. It is difficult to cancel and they keep charging you even after you've canceled.

What problems is SMTP.com solving and how is that benefiting you?

They did not help me at all. Their service failed me entirely.

Small Business (50 or fewer emp.)
Sep 10, 2023
 Source
Overall Rating:
1.0
AG
Verified Reviewer
Founder
Share
"I do not reccomend using SMTP.COM if you use an ecommerce website."
What do you like best about SMTP.com?

Nothing, I thought they were a reliable service but was sorely disappointed.

What do you dislike about SMTP.com?

We signed up with SMTP.COM to improve the reliability of email delivery for our customers, but without any notice whatsoever we found our account cancelled on a friday night, severely impacting the experience for our customers. If there were any issues with the emails being sent they should have contacted us, they did not, they simply cancelled our subscription on a friday night without any notification to us. To make matters worse we had just paid them for a month's worth of service, i'm so thankful that we did not pre-pay for any further service than this with these clowns. I emailed them requesting a reason why the account was cancelled and requesting a refund, they declined to answer my questions and also declined to refund despite us paying for a month only 3 days ago.

What problems is SMTP.com solving and how is that benefiting you?

We thought we could use them to solve our email deliverability issues, but were sorely dissapointed.

Small Business (50 or fewer emp.)
Nov 30, 2021
 Source
Overall Rating:
1.0
AG
Verified Reviewer
Founder
Share
"Be very wary with this company - very hard to cancel service"
What do you like best about SMTP.com?

They integrate with a lot of stuff. For a monthly service it's reasonably priced.

What do you dislike about SMTP.com?

They make it very hard to cancel. You cannot cancel in the portal, and you cannot cancel by email, you need to call them and hope for the best. There are many reviewers online who have been scammed and been unable to stop continuous charges. They never respond to emails. Amazon SES is far superior and much cheaper. I can't see a single reason to use these guys and don't recommend them unless you need to urgently raise your blood pressure.

What problems is SMTP.com solving and how is that benefiting you?

None now. They are untrust worthy and they are too expensive.

Small Business (50 or fewer emp.)
Sep 15, 2021
 Source
Overall Rating:
1.0
AG
Verified Reviewer
Founder
Share
"They won't refund me even though I never used them"
What do you like best about SMTP.com?

Nothing. They took forever to approve my account so I never used them.

What do you dislike about SMTP.com?

They won't refund me my money. I signed up for Free trial but never used it because they took forever approving my account. Then they charge me... Now they won't refund me? So slimy and sketchy. Impossible to get a hold of. I call them and they won't transfer me to someone that knows how to deal with the problem.

What problems is SMTP.com solving and how is that benefiting you?

I wanted auto emails. But never used this service.

Small Business (50 or fewer emp.)
Dec 17, 2020
 Source
Overall Rating:
1.0
AG
Verified Reviewer
Founder
Share
"Unfair and aggressive cancellation process and poor customer service"
What do you like best about SMTP.com?

Nothing I wanted to test the service and have been forced to pay two months for an extremely overpriced and disappointing service

What do you dislike about SMTP.com?

The cancellation process is design to extort money from you and the customer service is terrible

What problems is SMTP.com solving and how is that benefiting you?

None

Small Business (50 or fewer emp.)
Oct 12, 2020
 Source
Overall Rating:
1.0
AG
Verified Reviewer
Founder
Share
"SMTP.com is a overpriced product that also has a bad cancellation policy"
What do you like best about SMTP.com?

It did deliver on what it stated it would.

What do you dislike about SMTP.com?

For the price of what you pay for, you can get a much better deal using Amazon's SES. Also, the cancelation policy is not good because you must give a 30 days prior notice to cancellation, meaning that they manage to squeeze an extra month of subscription out of you unless you cancel 30 days ahead.

What problems is SMTP.com solving and how is that benefiting you?

I used SMTP.com to ensure deliverability of emails on my website. It did help me with that.

Mid Market (51-1000 emp.)
Feb 06, 2024
 Source
Overall Rating:
5.0
DHAKSHINMURTHY R. avatar
Dhakshinmurthy R.
Recruitment Associate
Share
"Prevention tool"
What do you like best about SMTP.com?

It aids to weed out fake email IDs which makes the Campaign more efficient and fool proof. integrating it is also easy.

What do you dislike about SMTP.com?

Pricing can be pulled down a little and on the technical side seems fine.

What problems is SMTP.com solving and how is that benefiting you?

Campaign running is made easier for me and details metrics also available for reference

Mid Market (51-1000 emp.)
Feb 02, 2024
 Source
Overall Rating:
5.0
Jerin C. avatar
Jerin C.
Human Resources Manager
Share
"Best Targeting Email Marketing Tool"
What do you like best about SMTP.com?

SMTP is very useful in sending mail to the target audience more effectively and has a higher delivery ratio when compared with other competitors.

What do you dislike about SMTP.com?

There is not much issue with SMTP so far going good.

What problems is SMTP.com solving and how is that benefiting you?

SMTP helps us to send messages to genuine or valid email ids. SMTP is benefitting us in making more profit by providing more ROI.

Mid Market (51-1000 emp.)
Jan 29, 2024
 Source
Overall Rating:
5.0
Jerryton S. avatar
Jerryton S.
Founder And Ceo
Share
"Best platform to prevent email spam"
What do you like best about SMTP.com?

It helps me send emails to my subscriber inboxes. The detailed reporting and dashboards are highly insights full

What do you dislike about SMTP.com?

They dont have any cons at this moment it is the best platform to prevent spam rates

What problems is SMTP.com solving and how is that benefiting you?

It helps me reach my emails to my subscribers inbox rather than promotional or spam folders

Mid Market (51-1000 emp.)
Jan 24, 2024
 Source
Overall Rating:
5.0
YK
Yogesh K.
Digital Marketing Executive
Share
"SMTP.com: The Email Delivery Champion for Businesses"
What do you like best about SMTP.com?

Simple and user-friendly interface Additional features

What do you dislike about SMTP.com?

The free plan has significant restrictions on email volume and features, making it less usable for many potential users.

What problems is SMTP.com solving and how is that benefiting you?

SMTP.com utilizes its robust infrastructure and anti-spam measures to ensure high email deliverability, reaching your intended recipients.

Mid Market (51-1000 emp.)
Jan 16, 2024
 Source
Overall Rating:
5.0
PK
Pratik K.
Lead Generation Executive
Share
"High Deliverability, Mixed Bag Customer Service"
What do you like best about SMTP.com?

SMTP.com is a powerful email relay service with excellent deliverability, ideal for businesses sending high volumes of email. However, mixed customer service reviews and higher pricing for low-volume users might deter some. Consider your email volume and preferred support quality before making a decision.

What do you dislike about SMTP.com?

Cost-effective for high-volume senders, SMTP.com's pricing might be high for businesses sending only a few thousand emails monthly. More affordable options exist for smaller volumes.

What problems is SMTP.com solving and how is that benefiting you?

One of the biggest challenges for businesses sending emails is ensuring they reach their intended recipients and avoid spam folders. SMTP.com tackles this by using dedicated, whitelisted IPs and robust infrastructure, boosting deliverability rates.

Small Business (50 or fewer emp.)
Oct 19, 2022
 Source
Overall Rating:
5.0
EM
Evan M.
Email Marketing And Campaigns Manager
Share
"great customer service"
What do you like best about SMTP.com?

They have quite an aggressive sales team but the level of support and expertise they have is amazing. We had deliverability issues with sparkpost before and they just shut down our account and with smtp folks we were able to quickly setup everything and have good results so far.

What do you dislike about SMTP.com?

aggressive sales team, No interface to manage email campaigns

What problems is SMTP.com solving and how is that benefiting you?

we were able to quickly integrate our legacy platform and they really helped us with configuration

Small Business (50 or fewer emp.)
Jul 20, 2018
 Source
Overall Rating:
5.0
Jack C. avatar
Jack C.
It Manager
Share
"Very good experience"
What do you like best about SMTP.com?

It has actually served us well and created us a minimum of 50% of our brand-new company. I send out just 5000 e-mails every 2 weeks, usually without mistake. With every SMTP provider there will be some concerns, it's how you solve them, the support was spot on every time

What do you dislike about SMTP.com?

The only cons I would point out is that the UI has to include some little functions, like password reset for extra accounts

What problems is SMTP.com solving and how is that benefiting you?

Sending marketing emails and promos, it's our to go service for sending mass email

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