Top 15 OpenSMTPD Alternative and Similar Softwares | Dec 2024

1. Microsoft SMTP Server

Available in Windows and Windows Server via the optional IIS role.Configure SMTP e-mail in IIS when you want to deliver e-mail messages from your site. Mail can be delivered immediately or it can be delivered to a file location on disk where it can be retrieved for delivery later. For...... TpSort Score | 42,800,000

2. outMail

outMail providing a secure and trusted email relay (also known as SMTP Smart Host or mail proxy)outMail by Prolateral is an independent SMTP service provider exclusively focused upon the execution of outbound email delivery for business, marketing, enterprise and personal applications. With flexible service plans to accommodate all types of...... TpSort Score | 194,000,000

3. AuthSMTP

In the simplest terms AuthSMTP is an outgoing SMTP email server, it can be used to send email from any program, application or device that can connect to an SMTP server and authenticate with a username and password.There are some key differences from the SMTP server that your ISP may...... TpSort Score | 194,000,000

4. MX Outbound

MX Outbound is a safe and secure SMTP Mail Relay and SMTP SmartHost service.MX Outbound (aka MX Out) is provided by MX Tools a UK independent SMTP Service Provider (SSP)Service plans to suit all users and companies. From general emailing to running your email marketing campaigns MX Out is for...... TpSort Score | 51,200,000

5. smtp2go

SMTP2GO removes the headaches of email delivery, saving you time and money....... TpSort Score | 193,000,000

6. Papercut

Ever need to test emails from an application, but don't necessarily want it sending them out? Don't want to hassle with pointing it to a physical SMTP server? All you want to is verify it can send email, and take a look at the message.Papercut is the answer. Papercut is...... TpSort Score | 386,000

7. DBEM - Designer Bulk Email Marketing

Asian Fox Developments is an awarded & leading IT company globally, providing sophisticated IT Solutions...Company has done projects for Corporates, Industries, Individuals & Start-ups worldwide including Bollywood Movies, Indian Government, Indian Army, Politicians, etc.Asian Fox Developments is one of the registered direct ESP - Email Service Provider. Specialized Email Marketing...... TpSort Score | 8,360,000

8. PowerMTA

PowerMTA is an “enterprise” grade infrastructure application for email built to address the challenges of critical digital messaging environments and customer communications. PowerMTA™ is (advanced smtp software) providing unsurpassed reliability and delivery execution, with granular connection controls. Offering superior message throughput, simplified set up and configuration, and visibility through real-time...... TpSort Score | 28,200,000

9. Elastic Email

Elastic Email is a simple, fast email delivery service for your cloud application or marketing needs.Elastic Email is designed as an SMTP relay for reliable delivery of email marketing newsletters or single recipient transactional emails with detailed delivery statistics....... TpSort Score | 86,500,000

10. SMTP

SMTP provides scalable affordable email infrastructure for all your sending needs. We act as your proxy to the ISP world so your traffic becomes part of our larger, “trusted” traffic flow. This allows for a higher rate of successful email delivery when scrutinized by ISP servers, filters, and spam detectors....... TpSort Score | 4,200,000

11. Lob

Printing and Mailing for DevelopersLob enables you to seamlessly print and mail documents, postcards, photos, and more via an API. Integrate easily into your web or mobile application today.Lob has virtualized commercial print & mail infrastructure and put it in the cloud for developers to access on-demand. With a simple...... TpSort Score | 7,070,000

12. turboSMTP

turboSMTP is a world-leading SMTP provider.Our outgoing mail server guarantees secure SMTP relays and it's ideal to send transactional emails. It also provides an amazing SMTP API for developers of cloud applications and a free SMTP server service....... TpSort Score | 194,000,000

13. Centrify

Centrify provides Unified Identity Services across data center, cloud and mobile — resulting in one single login for users and one unified identity infrastructure for IT. Centrify's software and cloud services let organizations securely leverage their existing identity infrastructure to centrally manage authentication, access control, privilege management, policy enforcement and...... TpSort Score | 117,000

14. sSMTP

sSMTP is a simple MTA to deliver mail from a computer to a mail server. sSMTP is simple and lightweight, there are no daemons or anything hogging up CPU; Just sSMTP. Unlike Exim4, sSMTP does not receive mail, expand aliases, or manage a queue....... TpSort Score | 194,000,000

15. FakeSMTP.net

FakeSMTP is a developer tool for identifying email bugs in web applications. It sits outside your test environment, trapping and redirecting emails as they leave your server. FakeSMTP gives you a simple, automated and reliable method of testing your email platform....... TpSort Score | 197,000,000