While the popular email marketing tools mentioned earlier are highly regarded in the industry, there are also some lesser-known tools that receive positive ratings and can be suitable for specific needs. These tools may not have the same level of brand recognition or extensive feature sets as the industry leaders, but they can still offer value. Here are a few low-profile but well-rated email marketing tools:

1. Moosend: 

Moosend is an email marketing tool that offers a user-friendly interface, customizable templates, automation workflows, and advanced segmentation capabilities. It is often praised for its simplicity and affordability.

2. MailerLite: 

MailerLite is a budget-friendly email marketing tool that provides features like drag-and-drop editors, automation, landing pages, and subscriber management. It is known for its ease of use and responsive customer support.

3. SendPulse: 

SendPulse offers a range of marketing communication tools, including email marketing, SMS marketing, and web push notifications. It provides a drag-and-drop editor, automation, personalization, and A/B testing.

4. Mailjet: 

Mailjet is an email marketing tool that focuses on simplicity and deliverability. It offers email automation, personalization, advanced analytics, and collaboration features. It has received positive feedback for its deliverability rates.

5. SendX: 

SendX is a cost-effective email marketing tool that offers features like drag-and-drop email builders, automation, segmentation, and integrations. It is often praised for its customer support and ease of use.

6. Omnisend: 

Omnisend specializes in email marketing for e-commerce businesses. It provides features like automation workflows, cart abandonment emails, product recommendations, and SMS marketing.

Remember that while these tools may have positive ratings, they may not have the same level of market share or extensive feature sets as the more popular options. It’s essential to evaluate your specific requirements, compare features and pricing, and consider customer reviews and ratings to find the tool that best fits your needs and budget.