With the market shift of transactional email service providers, more and more business entities want to find substitutes to smtp.com that guarantee good inbox placement, special features, and affordable packages that meet their specific needs, including email volume and the number of emails sent. Although SMTP.com has always been a leader in terms of smtp relay service and email delivery, new competitors appear on the market which provide specific services such as developer-friendly API or multi-channel marketing tools.
No matter whether you have a popular e-commerce store with thousands of visitors every day, conduct marketing activities, or just require a powerful SMTP alternative in your WordPress environment for sending bulk emails, this article will take you along the most popular email servers and solutions of 2025: MailerSend, SendPulse, Brevo, ElasticEmail, and SMTP2GO.
Our comparison, including options with a free version, will take into consideration deliverability, price, ease of integration, and support of each of them, and we will help you to find the best smtp.com alternative to your very specific requirements.
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Top - 5 SMTPÂ Alternatives
1. Mailersend: Best for Analytics and Deliverability
2. Sendpulse: Best for Multi-Channel Engagement
3. Brevo (formerly sendinblue): Best for Automation
Selection Criteria
Going with alternatives to smtp will involve consideration of a number of important factor:
Deliverability & open rates, including high email deliverability
Good inbox placement, low spam complaint
Good sender reputation through SPF, DKIM and DMARC
Intergation & developer tools
Easy REST API or SMTP setting
Support of SDKs, webhooks and email API
Prices and scaling
Free plans or pay-as-you-go as opposed to monthly plans
Volume pricing, dedicated IPs availability
Advanced features
On the fly analytics, A/B testing, and changing templates
Multi -channel messaging and automation workflows
Customer support Documentation
The live chats on 24/7, ticketing systems and a guide length
SLA provides and account management commitment
Evaluating them, you will be able to compare the best smtp.com alternatives by such criteria as email performance metrics, reliability of the transactional learning service, and total cost of ownership.
Quick Comparison Table
Provider |
Deliverability |
Free tier / Starting price |
Key feature |
|---|---|---|---|
MailerSend |
98% |
Free up to 3,000 emails/month |
Advanced analytics & customizable templates |
SendPulse |
≥96% |
Free up to 15,000 emails/month |
Multi-channel (email, SMS, push, chatbot) |
Brevo |
High |
Free 300 emails/day; $25/mo for 20K |
Drag-and-drop automation workflows |
ElasticEmail |
High |
$10/mo for 5K emails; pay-as-you-go |
Developer-first REST API & webhooks |
SMTP2GO |
99.98% uptime |
$10/mo for 5K emails; scale to 50K |
24/7 support & high-volume reliability |
1. Mailersend: Best for Analytics and Deliverability
Overview
Organization MailerSend is a good choice of smtp.com alternatives that pays much attention to email deliverability (98%) and detailed analytics.
It has a user-friendly interface that integrates easy to use dashboard with secure SMTP server and smtp relay server that delivers a lot of punch, making open rates, click-throughs, and bounced statistics look real-time.
MailerSend, in its turn, has DKIM, SPF, and TLS encryption to provide the highest level of email security.
Features
Dynamic live template editor based on drag-and-drop technique
Advanced analytics: delivery trend, engagement and health charts
RESTful email API with SDKs of the most popular languages (Node.js, Python, PHP)
The additional channel of important notification provided by SMS API
Pros & Cons
Pros |
Cons |
|---|---|
Generous free plan (3,000 emails/mo) |
Paid plans start at $28/mo for 50K emails |
Detailed delivery and engagement metrics |
Lacks built-in multi-channel automation workflows |
Automatic email authentication (SPF, DKIM, DMARC) |
Less emphasis on marketing automation |
Who must Use Mailersend?
Business plants with a high deliverability rate and requirement of granular email performance data, particularly, SaaS platforms, e-commerce sites that require a stable transactional email support.
2. Sendpulse: Best for Multi-Channel Engagement
Overview
SendPulse transforms the idea of smtp alternatives and creates a platform that allows using email, SMS, web push, and chatbots.
It has a deliverability greater than 96%, and thus allows the marketer to integrate various channels of a marketing campaign and plan them through a single dashboard.
Features
Messaging suite Unified: email, SMS, Viber, Facebook Messenger, chatbots
Mobile and Web Push Infos
Responsive designing template library and A/B testing
SMTP relay and REST API to developements
Pros & Cons
Pros |
Cons |
|---|---|
Large free tier (15,000 emails/mo) |
Steeper learning curve for new users |
Multi-channel campaigns improve engagement |
Email-only advanced features are less comprehensive |
Live chat support and extensive tutorials |
Dashboard can feel cluttered with many options |
Optimal Use case
Small business and marketing teams in search of smtp alternative that does not limit to email application and does allow their customers experience to be enhanced through SMS, contact push, and incoming emails.
3. Brevo (formerly sendinblue): Best for Automation
Overview
Brevo is a strong smtp relay with the strength of marketing automation.
The low cost and the functionality of promoting campaigns as well as transactions make it have the status of an smtp.com substitute.
Features
Visual automation builder: personal automatic workflow according to user habits
Segmentation and insertion of dynamic contents
Settings of SMTP servers and REST API
Integration of SMS and chat on the premium plans
Pros & Cons
Pros |
Cons |
|---|---|
Free plan (300 emails/day) |
Daily sending cap may hinder larger campaigns |
Scalable pricing: from $25/mo for 20K emails |
Developer tools less comprehensive than ElasticEmail |
Built-in templates, personalization, and workflow triggers |
Limited webhook and API rate limits on lower tiers |
Best for
Mid-sized companies and small companies who want to pay a reasonable amount of money to send transactional email and are interested in marketing automation and track campaigns.
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4. Elasticemail: Best for Developers
Overview
The smtp alternative available with ElasticEmail, specially designed to be more than cost effective, is one of the most perfect choices of swiftly developing systems, which wish to rely more on their code rather than the code interpretations attempted by other smtp companies.
It has a pay-as-you-go subscription structure; thus, it is efficient on startups and high senders.
Features
Developer-first API that has documentation in detail
EVENTS Webook Enabled: deliveries, opens, clicks, bounces
SMTP relay that has few steps of configuration
Custom IPs and sender name spaces sender reputation
Pros & Cons
Pros |
Cons |
|---|---|
Extremely low entry price: $10/mo for 5K emails |
UI is basic—primarily API-driven |
Full webhook support for real-time event tracking |
Fewer GUI tools for campaign management |
Scales easily with pay-as-you-go pricing |
Limited email template builder |
Who Benefits Most?
Technical teams and developers which require close integration and control of API, not being so dependent on GUI dashboards and marketing automation.
5. SMTP2GO: Best for High-Volume Reliability
Overview
SMTP2GO provides a secure smtp relay server which is built on 99.98 percentage uptime and world wide infrastructure.
Its delivery focus, real time analytics, and 24/7 support feature makes it an excellent smtp alternative to senders and enterprising senders.
Features
SPF, DKIM and DMARC - authentication suite Infrastructure (dedicated IP addresses)
Real-time dashboards: heat maps, in what time it will be delivered, reasons of a bounce
SPF, DKIM and DMARC - authentication suite Infrastructure (dedicated IP)
Client-Server Templates and REST API
Pros & Cons
Pros |
Cons |
|---|---|
99.98% uptime SLA |
No free tier |
Detailed delivery and spam-folder reports |
Lacks advanced marketing automation |
24/7 live support with guaranteed response times |
Base plans start at $10/mo for only 5K emails |
Optimal for
SaaS companies or other large e-commerce organizations which use bulk mailing have no choice but to guarantee reliability and up-time.
Integrating Your Choice
After you have reduced the list of your substitutes of smtp.com, you may want to think of:
Deliverability test by seed lists and mailbox placement tools
Setting up authentication: set up SPF, DKIM, and DMARC reputations as senders: Implementation: Authentication Authentication requires that SPF fits, DKIM, and DMARC, be deployed.(Note that SPF or DMARC authentication is not necessary when DKIM authentication uses SPF.)
Observation of indicators: monitor the open rates, the reasons of bounce, and spam complaints
The smart scaling: Scaling with dedicated IPs and warming up of domains with large-scale emailing
Conclusion
Sgetting the best use out of electing the right smtp.com alternative depends on what your priorities are:
MailerSend as a precise analytics tool and simple SMTP configuration
SendPulse to use multi-channel communications except email
Brevo to automate cost-effectively Brevo plans to integrate breed If you compile a list of challenges facing modern enterprises, the need to optimise the cost-effectiveness of workflows will end up on the list of main difficulties as well, and not only because this business process is quite common.
ElasticEmail for API control that draws the attention of developers
SMTP2GO with assured uptime and bulk mail reachability SMTP2GO
Each of the five providers of a list of free SMTP servers has a free level or trial, thus you can test transactional email service on a risk-free basis. With the deliverability test, price comparison, and feature set, which fits your unique requirements, you will get a reliable SMTP alternative, which would improve your deliverability, integration, and help you deliver your emails to the 2025 and beyond.
Move to upgrade your email? Look these smtp.com alternatives now and embrace the power of your transactional and marketing mails as they are owned already.
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FAQ
SMTP.com offers reliable email delivery, but alternatives may provide additional features like advanced analytics, customizable templates, or better pricing. When comparing SMTP.com alternatives, consider factors such as user interface, customer support, scalability, and integration options to find the best fit for your email marketing needs.
Some of the best alternatives to smtp.com for email delivery service include SendGrid, Mailgun, and Amazon SES (Simple Email Service), which allows you to send transactional and marketing emails efficiently. These platforms offer robust features such as scalability, analytics, and reliability, making them excellent choices for businesses seeking efficient email solutions. Each service caters to different needs, so consider your requirements carefully.
Why yes, there are a couple of smtp.com replacements with free service that comes in handy on small sites and test environments:
MailerSend: It also offers a free plan for up to 3,000 free emails mailed emails/month, it has a SMTP relay service, and basic analytics.
SendPulse: Free 15 000 emails / month, and multi-channel (SMS, web push).
Brevo (used to be Sendinblue): up to 300 emails daily are free, they have ready-made templates and automation is available.
ElasticEmail: It has a pay-as-you-go pricing model with a minimum cost of 0.002/email; or basically free at very low volumes.
Such services are available to substitute the in-built Gmail or Google Workspace relay services of WP Mail SMTP without using a credit card.
When selecting smtp service providers it would be best to consider:
Delivery and reputation of senders: high placement in inbox, preservation of SPF/DKIM and low bounces, which are essential for effective email campaigns.
Pricing & free tier Find out how the pay-as-you-go rate or a flat monthly rate works, volume discount, and free-emailspaces.
Integration & developer tools - you should make sure that STMP can be set up with ease, there are REST API and SDKS, and webhooks, and, of course, it can support both plugins and plug-ins.
Advanced features - dashboards, A/B test, dynamic templates, the workflow of automation, and multi-channel messages.
Customer service: Record keeping - Live chat round-the-clock, ticket system, availability of service level agreements and step-by-step troubleshooting guidelines.
These will guide your choice in deciding on the smtp relay service that is suitable to your need.
In the majority of the small companies, the most popular alternatives are the ones that are balanced in terms of cost, simplicity, and deliverability:
MailerSend: Overall highest deliverability (98%) and also with a great free membership that rewards you 3,000 mails a month.
Brevo: It would be best for you to automate your email marketing, and it includes an unpaid 300 email per day plan and paid subscriptions.
SendPulse: It fits superbly in groups that desire to have various communications (email, SMS, and push) through a single roof.
Each of the three has secure SMTP relay, good deliverability of email, and simple dashboard, which is ideal as SMTP alternatives to the small- business email requirements.
Last updated: 27.06.2025
