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SMTP2GO Reviews: 4.7/5 — Highly Rated
SMTP2GO is a cloud-hosted email delivery platform that provides secure, reliable SMTP relay and RESTful API-based sending for transactional, marketing, and bulk email. The service emphasizes deliverability (DKIM/SPF, sender verification, blacklist monitoring, feedback loops), reporting and analytics (bounces, opens, clicks), global infrastructure with regional data centres (US, EU, AU), subaccount/agency support, and integrations/OSS SDKs for common programming languages.
| Company | SMTP2GO |
|---|---|
| Year founded | 2006 |
| Company size | 11-50 employees |
| Headquarters | Christchurch, Canterbury, New Zealand |
| Capabilities |
API
|
|---|---|
| Segment |
Small Business
Mid Market
Freelancer
Enterprise
|
| Deployment | Cloud / SaaS / Web-Based |
| Support | Chat, Email/Help Desk, FAQs/Forum, Knowledge Base, Phone Support |
| Training | Documentation |
| Languages | English, Persian, Vietnamese |
SMTP2GO Pros and Cons
- Strong deliverability features (DKIM/SPF, feedback loops, blacklist monitoring, spamtrap detection)
- Global infrastructure with regional data centres and data-residency options
- Flexible sending via SMTP relay and RESTful API
- Open-source SDKs and official plugins (WordPress, cPanel)
- Generous free tier (1,000 emails/month)
- Free plan has strict hourly/daily caps and short reporting retention
- Limited native marketing automation/campaign management (segmentation, advanced workflows, A/B testing)
- Add-on costs (extra IPs, archiving, SMS) can increase total spend
- UI full localization beyond English / plugin locales not clearly verified
Compare SMTP2GO with other popular tools in the same category.
User-friendly, exceptional email tracking and proof of delivery,
I didn't find anything that I don't like about SMTP2GO
Rating: ⭐⭐⭐⭐⭐ (5/5) As an academic institution, we rely heavily on email communication for various administrative and educational purposes. Over the years, we've tried several SMTP services, but SMTP2GO stands out as the perfect solution for our needs. SMTP2GO offers a seamless and reliable SMTP service that has significantly improved our email delivery rates. We no longer worry about important emails being flagged as spam or not reaching their intended recipients. What sets SMTP2GO apart from other SMTP services is its exceptional email tracking and proof of delivery features. In an academic environment, accountability and evidence of email communication are crucial. SMTP2GO provides detailed delivery reports and real-time tracking, ensuring that we have a record of every email sent. This feature has been invaluable for us when dealing with student communication. SMTP2GO's user-friendly interface makes it easy for both technical and non-technical staff to access and understand email tracking data. This accessibility has improved our transparency and helped us resolve any email-related issues promptly. No complaints about customer support Overall, SMTP2GO is a great product.
As an developer for a plansystem for service companies we are sending 10k e-mails each month. Delivery succes is extremely high. Via the API everything can be configurated. Because of that it's easy the implement in my webapplication. Also the webhook is showing a lot of tracking information. Based on templates it's easy to send bulk e-mail. If you have a question the live chat support is fast. You will get response during the day almost immediatly. One word: Great!
Easy integration with Plesk. You need to verify senders to send your messages spam free, but it's a lot of work to change all DNS settings for it, if you have a lot of domains as senders.
We other service we had a lot of problems with gmail, hotmail/live addresses. The customers of my client have a lot of users that uses that kind of e-mail addresses. A lot of emails got in to the spambox. Now using SMTP2GO for almost 3 years without any problems of sending emails
SMTP2GO is a lot better than my singing. My story starts like this - I run a nonprofit matching service that connects Carehome residents with volunteers who wish to send them a small letter or gift for Christmas. There are 100's of Carehomes that are state funded and run but also 100's of private locations. Email interaction with the Carehomes and Volunteers is paramount. Last year I discovered , that the service I was using ( not SMTP2Go at the time ) , had servers that were blocked by the State Carehomes. It was embarrasing , because we had over 1K emails go out to carehomes but none of the state homes received them - and so didnt register with our service. I discovered this in time , and quickly switched to SMTP2GO. The setup is easy ( verifying is a bit tricky if you arent technical , I am. ) and i could see emails pump through the system. In all 24K emails were sent and the bounce rate was very low. The SMTP2GO system told me easily , using the filters , which didnt send. I was able to manually follow up on "bad emails". I dont often write reviews - but these are good guys. I have a Starter 10K account with them now , I use this for various other groups Im responsible for . Their support is quick and easy to access too.
Verifying your domain is a little tricky if you arent technical . This isnt really a SMTP2GO issue , more of a DNS setup thing.
I need to make sure email is delivered. Simple !
Used by our Exchange Server. Sage 50, Sage Payroll and different spects of our ERP system under diffeent account headings for detailed analysis
There does not appear to be an option to extend the history so we download the transactions on a monthly basis
It works, causes no problems, is easy to query and halp to track mail
When a customer of my website services reported issues with delivery failures on their emails, I had to find a flexible and cost-effective solution quickly. I started looking at the issue with the intention of solving this by cleaning up their email status. When I spoke to a friend in the hosting industry, he recommended SMTP2GO. I quickly scanned their website and signed up on the spot. The whole process was painless and allowed me to provide a reliable service to my customer while being able to use the service myself. I would highly recommend this service as cost-effective and reliable. I am now offering this option to all of my customer base as an upgrade to my web services.
Hmmm nothing comes to mind, I have never had an issue
Issues with customer email delivery
As our company is providing both email accounts and voicemail to email, using a service that we can rely on a daily basis was our priority. We tried other solutions in the past from our own infrastructure to competitors, but the bottom line was that SMTP2GO was able to deliver both our email and voicemail to email 100% of the time. Never had an issue and we are sending 1000's of email per month.
SMTP2GO a few years back had minor issues with bounce back emails but we were able with the help of support to rapidly find a solution that still work today. As we were using the service to deliver email from a cPanel server, we had to change a few line of code in Exim but the tutorials were very helpful in the end.
We were looking for a solution that could prove that the email was delivered, then if it was read or not so using the portal at SMTP2GO to help our customers validated the delivery of emails.
The control panel is intuitive and the support is outstanding. Pricing is also good with a very genrous free plan.
Nothing it; s agreta product does what it says on the tin
It allows me to easily configure multifunction printers to scan to email. Is is also usefu lfor bulk mailing invoices without getting blocked.
I've used SMTP2GO for years now without ever having any problems. They have done a great job at making a dependable service. Wish more companies would do the same.
Honestly, I can't think of one downside to using SMTP2GO, I've thought hard about this even trying to pick on some small aspect and can't find anything, they're just that good.
I needed a bulk email provider as well as transaction based email provider for my apps on the App Store so that my customers can reach me. We needed to send thousands of emails a month.
The tool provides good status on why emailed failed as well as those which succeeded, it is a very reliable service
the interface is this very basic, the UI could enjoy a major upgrade
permitting the bulk emailing of statements to members. gives an audit trail of successful mail outs,
After trying several tools, some very complex and others too expensive, after finding SMTP2GO I found all the features I needed. The free plan is quite decent, the paid one is spectacular, I can connect the SMTP service with any external APP in a simple way, and better, I can separate it by domain or even create subaccounts to better manage each user.
I still haven't found any reason to submit a review, I've been using the paid service for a few months now and I've connected to about 5 external APPs without any problems.
It makes it possible for emails to be triggered in the applications I have without falling into SPAM, of course I have to have the list checked and ensure that users have the possibility of unsubscribing.
They are a professional email service that doesn't allow spamming or misuse. They monitor usage, bounce rates, and let you know what emails are failing so you can correct the issues. They take pride in what they do - one of the best SMTP services I have worked with. Their support is quick and responsive. And they support multiple accounts - so you can have a different account for each device - this is handy as if one device is compromised, its limited to just one device - you don't then have to change 100 devices. Fantastic service.
Don't really have any downside to SMTP2Go.. Have never had a complaint in many years of using their services.
Sending external emails from various applications and devices in a format that can meet all email standards (DMARC, DKIM, SPF etc)
It is so simple to use. If I can use it, anyone can! The reliability is excellent for a such great value. You can get a more fantastic deal with an annual subscription. I check for its performance and reliability daily and give it a 98% score. The support is wonderful. When the technical support people couldn't figure out the delay issue, they switched my account to a more aggressive server. At least they aim to resolve my problems one way or the other.
Lots of advanced functions you can explore. Some take more time to digest. The instructions are sufficient for the advanced functions, but more examples might be helpful.
It helps me with all the transactional emails and marketing emails. We also use it for all our outgoing emails to ensure they are delivered! SMTP2GO is the best SMTP solution when you are developing web applications.
We can setup an account quickly and confugre our devices easily. On the very few occasions that we raise a ticket, it i dealt with very quickly and professionally.
Nothing to dislike, it works perfectly for us as a business and I have no issues to report. Lets me concentrate on more important matters and i know smtp2go will work as expected with no real issues
We had problems emailing from our business system software,M365 caused issues everytime and cost us a lot of time. We also use it for scanning from our MFP's for the sale reason, M365 does not play nice with 3rd party programs or devices, smtp2go fixes all those issues.
SMTP2Go solved a business need for us years ago when we migrated to O365 and didn't want to enable SMTP mail through our main email server. Being able to use SMTP2Go makes our email sending from our websites a breeze and the reporting for usage statistics is terrific. When we've needed support, they have been there to help us, would definitely recommend for anyone needing to send SMTP email.
I'm very satisified with the service and have no negative to add here, the UI is great and the performance is what we expect.
SMTP2Go allows us to securely send email from our B2B and B2C websites as well as used for our on premise ERP. It allows us to send email on behalf of each of our registered users so replies are directed to the correct mailbox for each type of email.
Extremely cost effective, simple admin interface and the ability to add an SMTP user for each application/user we need under one account.
There is nothing to dislike, not often I can say that!
Simple SMTP server resource
SMTP2Go has been great for our business. It allows multiple sub accounts, so we can track emails sent from different customer servers, Scanners, etc. Other products on the market often require longer usernames that are not compatible with Scanners. SMTP2Go is easy to configure and just works.
I'm struggling to find a negative with the product.
We needed a product that allowed us to send emails from customer scanners and servers, etc. SMTP2Go does this with ease. It's quick to configure and does with it says on the tin.
The ease and simplicity of the smtp2go service for us as a large mat trust to deliver 1000s of email pcm to parents pupils and stakeholders
Nothing the service and support is superb
A proven and reliable smtp delivery service
Very reliable and great support, have been very happy with the service, have been using them for the last couple of years.
Everything has been good :) Really don't have any bad comments.
It's great that I can see a log of emails and I know exactly what has been received or what hasn't and any issues encountered
This solution has an answer for every type of situation we've encountered involving sending mail.
Absolutely nothing. I do not have a single complaint.
We have had inconsistent results using Office 365 send connectors; we have had problems with old copiers not supporting modern encryption on newer mail services. SMTP2GO solves all of these as you can use modern encrypted connections, you can whitelist based on IP (no auth required), you can use traditonal username / pass and you can use a lot of different ports.
It is easy to configure, the instructions are clear and easy to follow, and the results are immediate.
Configuring the API is complicated, but the rest is good.
Before using it, all the bulk emails would directly go to spam; now, they don't anymore.
The software is easy to use, set up, and cheap, considering the excellent service received. I ask some information by chat; the person was very helpful, and I signup immediately. I have already received great feedback from my clients.
The sub-accounts are a great idea, but I will like to have more possible settings.
I don't have any more email going into spam, and all my clients can see the delivery status without asking me to extract it from cPanel.
With SMTP2GO you have a trusted and reliable SMTP server that allows you to bypass the 'out of touch' ISP based SMTP setup where good e-mail is still considered spam.
Nothing - there is nothing to dislike - this service is the only solution and its competitors have overcomplicated setups.
Blocking of company and customer valid e-mails by other services where valid e-mails, specifically invoices, statements and receipts are often flagged as spam.
The user interface is neat and easy to navigate and the sending service has been 100% reliable.
I have yet to find any faults with this service.
We are a non-profit organsisation, and this service helps us to deliver our messaging in a cost-effective way
Easy to configure separate mail sending accounts, limited by IP address with the ability to see bounce history and manage reporting. Weekly update emails of bounced address and automatic blocking to prevent spam reports is excellent too.
Nothing really! Have been extremely happy with the solution since the start. All the features you could possibly want are included. I have had issues where mail has not been sending due to server issues, but the support team are very quick to resolve when this does happen (approximately twice in the 5 years we've been using them, so not really a complaint!!)
Saves the hassle of hosting, managing and securing our own on-premise SMTP server. SMTP2GO provide all the functionality needed including security, reporting and management in an easy to use online tool.
Reliablility and speed are the two key things I need and the two things SMTP2GO does very well.
I don't think I can switch to a lower level of emails per month very easily.
I have to be certain that key emails go through. SMTP2GO does the job!
It provides a good solution for website developers to integrate smtp consistency into websites and monitor the overall usage and spam control
Honestly don’t have any dislikes, I love the service and happily recommend it whenever it is relevant.
Local SMTP services often have legitimate mail end up in spam or bounce and using smtp2go this mail is whitelisted correctly and always arrives as intended
I like the strong trust factor that SMTP2GO has built with anti-spam policies. We use a dedicated IP and follow a strong opt-in policy. It is this trust factor that helps make sure our communication is trusted and received.
I have been using the system for a few years now. I haven't had a need to complain yet.
I started with SMTP2GO for a solution to communicate with our customers VIA an email newsletter. We now use SMTP2GO for our customer service email. We find the dedicated IP allows for whitelisting and safe listing with some of our suppliers and gives us fewer problems with spam filtering.
Setup and ease of access is fantastic for SMTP2Go, it allows us to use a centralised system to send our mail from each of our different applications. It's great that we can setup different users to show the person which the mail is coming from. The SPAM reports and bounce email reporting allows us to make sure our email details are accurate at all times. We use SMTP2GO for the majority of our transactional email.
I don't really have a negative experience, it would be good if the login remembered my device rather than using multi factor authentication for every login. I'm happy to do so though as I would rather more security than less.
We needed to be able to send reliable mail from our websites which are running on CPANEL sites, mostly with Wordpress and needed to be able to send authenticated email. I researched and found that SMTP2Go would work best this way. We more recently had another example where we send copy statements monthly and will send a few hundred over a very short time period. We were using Office 365 SMTP as part of our O365 subscription but found it was throttling our outbound email per minute and this was causing our process to fail. SMTP2GO allows us to send the whole queue without any delays.
The administration module is user friendly and easy to use, service uptime is great, never had a downtime yet plus the customer service is very good and always willing to help.
Not much to complain for now, service been good for the last couple years I have been with them.
We realized that we needed a secure SMTP service to send out our emails securely and without falling into the spam filters.
Great service, initially used as a relay service with delivery confirmation but now used for marketing too. Simple admin interface and very reliable, easy to set up with features you would expect from much more expensive solutions.
For us it does everything we need, no issues at all
Initially just needed reliable mail relay