Since the internet became a commercial force in the mid-’90s, email has been a constant in our personal and business lives. With improved broadband and Wi-Fi, email has adapted, becoming more accessible. Crafting quality emails is crucial for business operations as it serves as a powerful marketing tool, facilitating quick communication with clients, suppliers, and staff. 

One popular email service is SendGrid, widely used by businesses. However, there are alternatives. This article explores five alternatives to SendGrid, providing insights into the diverse landscape of email services.


1.  SMTP

 SMTP has been the traditional email marketing service that catersto  small businesses,. 

This platform sends billions of emails monthly, and has reportedly had threefold higher return on investment compared to other deliverability providers, according to their website.



  • High Delivery Rates: SMTP’s secure and reliable platform minimizes the chances of emails being mislabeled as spam, leading to increased delivery rates.
  • Affordable Pricing: SMTP provides good value for money, making it an attractive choice for small businesses.
  • Ease of Use: SMTP is user-friendly and helps uses with varying levels of technical expertise.
  • Detailed Reporting: Users benefit from detailed reporting features, providing insights into email performance and engagement.
  • In-House Support Team: SMTP offers the 24×7  support of an in-house team.
  • Custom API Integrations: The platform allows for custom API integrations, enabling users to tailor their email marketing strategy.
  • Email List Validation: SMTP includes email list validation features, helping users maintain a clean and responsive email list.



  • SMTP primarily focuses on email delivery, lacking features such as SMS services and email marketing automation.


SMTP Plans and Pricing

30-day free trial, 

Up to 50000 mails: $25 per month 


2.     Postmark

 Postmark, established in 2009, for transactional emails, expanded its scope in 2020 to include promotional and bulk emails, maintaining a separate infrastructure for both.



  • Fast Email Delivery: Postmark prioritizes speed, and features publicly sharing delivery times.
  • Segregation of Promotional and Transactional Emails: Through the Message Streams feature, Postmark separates promotional and transactional messages to safeguard the high deliverability of crucial transactional emails.
  • 45 Days of Data Retention: Each Stream’s activity feed provides 45 days of comprehensive data, including delivery events, bounces, opens, and clicks, with customizable retention periods.
  • Transparent Pricing and Stellar Customer Service: Postmark adopts a simple volume-based pricing model, and offers customer support on all plans at no extra charge.
  • Email Templates: Postmark provides content-ready, responsive email templates for common messages like welcome emails, password resets, receipts, invoices, and user invitations.
  • Excellent Documentation: Postmark has been reported to have user-friendly documentation for its clarity and quick setup assistance.
  • No Upselling on Unnecessary Dedicated IP Addresses



  • Postmark primarily focuses on email delivery, lacking features such as SMS services and email marketing automation.



  • Upto 10,000 emails: $15/month
  • Upto 300,000 emails: $245/month
  • Upto 1 million emails: $695/month



3.    DuoCircle

DuoCircle is being used by thousands of global clients, including Airbnb and Toys R Us.




  • Comprehensive Email Deliverability Services: DuoCircle offers a suite of services, including email authentication, sender reputation management, email monitoring, and deliverability analysis. Additionally, they provide security services such as phishing protection.
  • First-Class IP Reputation Handling: Specifically focused on email deliverability, DuoCircle excels in IP reputation management, ensuring the safe transmission of emails.
  • Real-time Reports and Analytics: Users benefit from real-time insights into email performance and engagement.
  • Round-the-Clock Support: DuoCircle provides continuous support to address user queries and concerns.
  • Email Forwarding Service: With a user-friendly mail forwarding service, DuoCircle allows the creation of unlimited email aliases, each capable of forwarding to 10 other email addresses for a single low price.
  • Outbound SMTP Service: DuoCircle’s well-managed SMTP service simplifies email delivery, offering strict guidelines and policies to protect the reputation of every outbound email.
  • Email Backup MX: To safeguard against server downtime, DuoCircle’s Email Backup MX backs up emails on cloud servers and functions as an email queuing service.
  • Tenant Migration Services: Offering streamlined solutions for tenant migration, DuoCircle facilitates Office 365 tenant to tenant migration, G Suite migration, and other platform email migration services.
  • Competitive Pricing: DuoCircle provides competitively priced email hosting services, offering Advanced Threat Defense to protect against spam, viruses, malware, and phishing attempts.




  • Narrow Focus: While excelling in email services, DuoCircle doesn’t offer additional features like SMS services or email marketing automation.




Up to 2500 mails: $4 per month.

Although lacking a free plan, they offer a 30-day money-back guarantee, ensuring user satisfaction and flexibility in choosing the right plan for their needs.


4.     Brevo

 Formerly called Sendinblue, Brevo stands is an email marketing services tailored for brands on a budget. 



  • Budget-Friendly: Ideal for brands on a budget, Brevo provides a free plan and affordable subscription options.
  • Popularity Among Growing Businesses: Brevo is widely popular among growing businesses, evident from thousands of positive online reviews on platforms like G2 and Capterra.
  • Multiple Setup Options: Brevo offers flexibility with multiple setup options, including SMTP relay, email API, webhook, or plugin.
  • Integration with eCommerce Platforms and CMS Tools: The service integrates seamlessly with major eCommerce platforms and CMS tools, making it a preferred choice for eCommerce brands.
  • Sales CRM: Brevo includes a sales CRM, enhancing customer relationship management capabilities.
  • SMS Marketing: Beyond email, Brevo supports SMS marketing, providing a multi-channel marketing solution.
  • Segmentation and Signup Forms: Users can take advantage of segmentation features and customizable signup forms for targeted campaigns.



  • Support Speed: Some users report slow support response times.
  • Limited Freemium and Lite Plan: While offering a free plan, Brevo’s freemium and lite plans may have limitations.
  • Drag and Drop Options: Users criticize the drag and drop options as being less user-friendly.
  • Deliverability Issues: Some users report suboptimal deliverability rates.




Brevo offers a free plan and three subscription options, including enterprise pricing. Pricing starts at $25 per month and is based on monthly email volume, providing users with the flexibility to choose a plan that suits their needs and budget.


5.     Mailgun

Mailgun is part of a broader ecosystem of services that encompasses email verification, testing, and deliverability tools—each priced separately.



  • Reliable Service: Mailgun is reported to offer a 99.99% uptime SLA, ensuring a dependable email infrastructure for users.
  • Scalable Plans: Users appreciate Mailgun’s pay-as-you-go pricing, providing flexibility for businesses to adapt as they determine their email volume needs.


  • Mixed Customer Support Reviews: Customer support reviews vary range from praising excellence and others expressing dissatisfaction. The team’s active engagement on the platform is noted.



  • Up to 10,000 emails: $10 
  • Up to 300,000 emails: $235/month
  • Up to 1 million emails: $650/month


Chat support is available only to customers on Growth plans and above, while phone support is limited to Enterprise customers.

Sendgrid Workflows on Nanonets

Nanonets offers a wide range of powerful workflows that seamlessly integrate with SendGrid, providing advanced automation capabilities for email marketing, customer engagement, and data enrichment. In this section, we’ll explore the top 10 most popular Nanonets workflows that can enhance your SendGrid email campaigns and streamline your email processes. Discover how these workflows can help you achieve greater efficiency and effectiveness in your email marketing efforts.

Now, let’s provide brief descriptions and links for each of the 10 popular Nanonets workflows for SendGrid:

  1. SendGrid + Workflow:
    • Automate lead generation and outreach campaigns by connecting SendGrid with
    • Learn More
  2. SendGrid + Convertio Workflow:
    • Effortlessly convert file attachments in your emails using SendGrid and Convertio.
    • Learn More
  3. SendGrid + Workflow:
    • Create and manage shortened URLs for tracking and analytics within SendGrid emails.
    • Learn More
  4. SendGrid + Shopify Workflow:
    • Integrate SendGrid with Shopify to automate email notifications and marketing campaigns.
    • Learn More
  5. SendGrid + Lusha Workflow:
    • Enhance your email contacts with Lusha data for improved personalization and targeting.
    • Learn More
  6. SendGrid + Airtable Workflow:
    • Connect SendGrid to Airtable to automate data synchronization and email triggers.
    • Learn More
  7. SendGrid + Mailchimp Workflow:
    • Combine the power of SendGrid and Mailchimp for comprehensive email marketing solutions.
    • Learn More
  8. SendGrid + Workflow:
    • Automate task management and email notifications by integrating SendGrid with
    • Learn More
  9. SendGrid + Salesforce Workflow:
    • Sync SendGrid with Salesforce for improved customer relationship management through emails.
    • Learn More
  10. SendGrid + ShipStation Workflow:
    • Streamline shipping and order confirmation emails by connecting SendGrid and ShipStation.
    • Learn More

These Nanonets workflows provide a diverse set of tools and automation capabilities to enhance your SendGrid email campaigns, making your email marketing efforts more efficient and effective. Explore the workflow that suits your specific needs and start optimizing your email communication today.

Additionally, you can explore more SendGrid integrations and workflows on the Nanonets SendGrid Integrations page. These workflows and integrations are designed to help you optimize your email campaigns, data management, and customer interactions.



 Selecting an email service tailored to a company’s needs is critical to its effective utilization. Understanding the unique features, pros, and cons of each alternative ensures a choice aligned with business goals. Whether prioritizing deliverability, scalability, or specific functionalities, a thoughtful evaluation guarantees optimal integration and efficiency in communication strategies.

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