Postfix is an email server that helps users in managing all of their emails and customize them according to their needs. It is used to manage mailboxes, aliases, and virtual domains of the web servers. It is an open-source platform that is mainly used to transfer confidential information.
It has a user-friendly interface that is easy to maintain, light on resources, flexible, and has vast community support. It has a web-based dashboard that is easy to configure, and it is able to support multiple servers of AIX, BSD, IRIX, LINUX, Mac OS X, Solaris, and many more.
It is an open-source MTA that is solid and easy to manage as it offers a reliable and stable way with various configuration and setup options to fulfill a large variety of requirements. It is a secure email server that gives every possibility that you want to do for your inbox and documentation.
To represent the postfix in the form of an algebraic expression, it uses postfix expression. That’s why most people have moved from infix to postfix because its expression is simple to execute as compared to infix. It uses HAproxy as the mechanism for providing a smooth and stable mailbox.
It is cross-platform and has a built-in C-compiler that helps to connect with all the operating systems smoothly. It is easy to install, and no professional help is required to make a valuable POI application. Its typical customers are Small and Mid-Size Businesses and Large Enterprises.
Why Do Users Want Postfix Alternatives?
Postfix offers the best services for protecting mailboxes from different viruses and spam. It provides incredibly secure and open-source email client services designed for businesses to transfer confidential information to others. It is written in C languages and does not support Linux and Mac servers.
It includes some shortcoming that hinders the users from using it for multiple purposes. The foremost problem is that it is difficult to customize and has limited database queries. Moreover, it has no graphical interface and a complex setup that is difficult to understand and is not suitable for beginners.
List of Postfix Alternatives
Postfix was initially designed by IBM as an email transfer agent, but now it is acquired by Google. It is easily compatible with all the operating systems of Windows, Mac, and Linux. It includes the features of Third-Party Libraries, Post-screen Zombie Blocker, SMTP Email Server, and many more.
In regard to these best functionalities, the following Postfix alternative is selected and explained along with their structure and working techniques in this article. An explicit comparison is provided, which helps the audience in choosing the best possible alternative for Postfix.
1. Mailinator
Mailinator is an email management software that allows users to test their email workflows. Account creation, sign-ups, and automated receipt generation are also possible by using this platform. It is helpful in testing marketing emails, calculating churn rate, and SMS services.
It is used by businesses to receive marketing emails and text messages from various places in their private domain. It allows businesses to store old messages in their private domain and delete them from their public systems. It offers training in the form of documentation and videos.
It is commonly used in Email management and Automated testing. Its typical customers are Small Businesses, Mid-Size Businesses, Large Enterprises, and Freelancers. Its free trial version is available on the website, and its subscription plan is subscribed at 99.00 USD per month.
Features
- Email Management
- Inbox Management
- Spam Blocker
- Email Monitoring
- Shared Inboxes
- Activity Dashboard
Pros
- User-Friedly Interface
- Easy to Use
- Real Email Connections
- Alternate Domain Name
- Flexible to Use
Cons
- Limited Email Addresses
- No Private Email
- Temporary Email
- Expensive Subscription Plans
2. SmartMail
SmartMail is a cloud-based email marketing application for eCommerce stores that are used to get more sales for businesses. It includes the key features of mailing list management, subscriber database, workflows, predefined templates, recommendation email, and many more.
It contains customer purchase history that will be helpful in delivering automated personalized emails. It is integrated with eCommerce platforms like Shopify, Big Commerce, Woo Commerce, and many more. It has a user-friendly interface that is easy to use and is fully customizable.
It is used in email marketing, multi-layer spam protection, security enhancement, and many more. Its free trial version is available with limited features, and its subscription plan is subscribed at the cost of 29.00 USD per month. It offers its training in the form of Documentation and Videos.
Features
- Robust Content Filtering
- Text Encoding
- Multiple Calendar Support
- Attendee Availability
- Mail Transfer Protocol
Pros
- Desktop and Mobile Synchronization
- User-Friendly Interface
- Antivirus Supported
- Security and Attack Prevention
- Message Retrieval
Cons
- System Hangs Sometimes
- Limited Features
- Not Effective Design
- Difficult on Mobile
- Paid Subscription Plans
3. hMailServer
hMailServer is an open-source email server that provides 100% serviceability for windows. It is helpful for the administration and managers to deal with email-related matters. It is used by many IT companies, internet service providers, schools, government sectors, and many more.
It has a user-friendly interface that is easy to use and is useful in making presentations for the customers. Users will also be able to share the messages with others within a single click. It offers a straightforward medium to interact with employees and can share business-related issues with them.
Screen recording can also be possible by using this platform. It is easily compatible with all the common and prime email protocols like SMTP, POP3, or IMAP-based email services. It has a built-in anti-spam protection system that saves the users from the attack of hackers.
Features
- Database Creation
- File Sharing
- Project Management
- IMAP Email Server
- Email Routing
- MX Backup
Pros
- Web-Based Application
- Support Multiple Domains
- Third-Party Integration
- Quick Installation
- Filter Spam Messages
- Support Multihoming
Cons
- Not Effective Backups
- No Internal Alerting
- Issues in Backend SQL
- Problematic SSL Encryption
4. MailEnable
MailEnable is a powerful email server that offers instant messaging and high-quality screen recording. It allows users to manage their email and sort them by size, date, or name and lets users create a calendar for their upcoming events, such as meetings, projects, and functions.
It is a web-based mail server packed with the features and functions of antivirus, spam filtering, webmail management, and many more. It is compatible with all the message and email services like POP3, IMAP, and SMTP. It offers training in the form of documentation and videos.
It has a user-friendly interface that is simple to use and is helpful in business workflow. It is beneficial in contact and task management and provides complete security for sending and receiving emails. It is offering support for MS Outlook, which makes it unique among the rest servers.
Features
- Multi-User Chat
- Screen Sharing
- XMPP Sockets Chat Service
- File Transfer Client Bridging
- Mailbox Redirection
- Log File Access
Pros
- Multi-Factor Authentication
- Presentation Tools
- Database Creation
- Message Filtering
- Password Recovery
- Active Directory Authentication
Cons
- Issues in MAPI Connector
- No Free Trial Version
- Problematic LDAP Services
- Lack of Resources
5. Kerio Connect
Kerio Connect is an email server that helps to make emails, calendars, contact, and task management easy and affordable for everyone. It is cloud-based deployment software that allows businesses to manage their servers with ease and offers training in the form of documentation.
Automated backup and data recovery can also be possible by using it. It has a user-friendly interface that is easy to use and has excellent features such as group live chat, password protection, project management, and many more. It supports the operating system of Windows and Mac.
It uses a next-generation firewall and UTM to provide complete network security and also offers secure email services for Small Businesses, Mid-Size Businesses, and Large Enterprises. It can create multiple email accounts for free and offers backup for all sorts of email accounts.
Features
- Instant Messaging
- Mobile Device Support
- Email Calendaring
- Integrated Security
- Centralized Administration
Pros
- Integrated Security Features
- Spam and Antivirus Protection
- Document Editing
- Active Directory
Cons
- Lack of Spam Filter
- Message Size Limitation
- Issues in Email Encryption
6. MDaemon
MDaemon is the messaging service provider that includes a wide range of functionalities of email servers, groupware, featured webmail, and many more. It allows users to encrypt emails and attachments. It is flexible email management software along with high security and collaboration.
It lets its users send or receive fax and SMS quickly through email without software configuration, hardware, or licensing. It has a user-friendly interface that is easy to use and is helpful in creating calendars and scheduling timing for events, meetings, presentations, and other activities.
It includes the core features of application password, domain gateway, smart message routing, bandwidth Throttling, Email Account Migration, and many more. Its free trial is easily available on the website, and its subscription plan is subscribed at 360 US Dollars per year.
Features
- Auto-Responders
- Instant Messaging
- Contact Management
- Data Recovery
- Inbox Management
- IMAP Compress
Pros
- Secure Email Server
- Good Customer Support
- User-Friendly Interface
- Support Multiple Languages
- IPv6 Support
Cons
- Expensive Pricing Subscription
- Limited Filtering Options
- Issues in Sharing Domain
- Problems in Email Account Migration
7. Microsoft Exchange Server
Microsoft Exchange Server is a collaboration server designed to work smarter with business-class email and calendaring. It helps users to collaborate on critical documents and provides a focused inbox that categorizes important messages. It offers training in the form of documentation and videos.
It has a user-friendly interface that is easy to use and fully customizable. It is beneficial in adding new features to integrate with other devices easily with no fluctuations. Its free trial version is available on the website, and its subscription plan is subscribed at 12.50 USD per user per month.
Features
- Out-of-Office Automatic Reply
- Recovery of Sent Messages
- Contact Management
- Resource Scheduling
- Global Address List
Pros
- Monthly Licensing Expense
- Large Mailboxes
- Support Outlook
- Document Collaboration
- One-Click File Sharing
- User-friendly Interface
Cons
- Loss of Control
- High Subscription Fee
- Limited Documentation
8. Ipswitch IMail Server
Ipswitch IMail Server is the windows email server used to provide instant messaging and emailing with high protection. It has a user-friendly interface that is easy to use and includes multiple solutions of real-time collaboration, hosted email system, rapid messaging services, and many more.
It is designed for businesses in order to send and receive confidential emails to each other without any limitations. It includes the core features of Hacked Account Mail Regulator, Mobile Synchronization, Spam Filtering, Anti-Virus Protection, and Secure Instant Messaging.
Features
- Hacked Account
- Mail Regulator
- Mobile Synchronization
- Spam Filtering
- Antivirus Protection
- Secure Instant Messaging
Pros
- Hidden IP Address
- Reduction Load
- User-Friendly Interface
- Instant Messaging
- Storage Attachment
Cons
- Tough Configuration
- Poor Outlook Connection
- Disaster Customer Support
- Limited Integration
9. Rediffmail Pro
Rediffmail Pro is one of the email hosting services from the Indian New website Rediff.com. It is a web-based application that provides the services of advanced antivirus spam protection, additional IDs, and many more. It allows users to send and receive emails from mobile devices.
It has a user-friendly interface that is easy to use and is a reliable application for mobile applications. It is helpful in sending business emails to colleagues and is useful for commercial purposes. Its free trial version is available, and its subscription plan is subscribed at 3.66 USD per month.
Features
- Spam Blocker
- Response Management
- Email Monitoring
- POP3 Access
- Unmatched Reliability
Pros
- User-Friendly Interface
- Additional IDs for Users
- Good Customer Support
- Affordable Pricing Plans
Cons
- Email Signature Configuration
- No Free Trial Version
- Limited Resources
- Lack of Plugins
- Not User-Friendly Interface
- Slow Loading Process
10. IceWarp
IceWarp is an on-premise deployment software designed for the business mail server and collaboration solutions. It is best known because of its high adaptability with the major operating systems such as Linux and Windows and offers profitable servers along with top-class features.
It has the ability to manage multiple cloud instances from a central location and allows users to compose multiple emails and calendar events at the same time. It has an affordable pricing plan that starts from 3.90 USD per month. It is highly compatible with Windows, Linux, and Mac.
Features
- Email and Collaboration
- Previewing Documents
- Screen Sharing
- Mobile Synchronization
- SSL Certification
- Video Conferencing
- Content Management
Pros
- Real-Time Monitoring
- Active Directory Integration
- Multi-Layered Security
- Two-Factor Authentication
- HIPPA Compliance
- Effective Security Protection
Cons
- Issues in Screen Sharing
- Problems in Collaboration
- Paid Subscription Plans
- Lacks Third-Party Support
- No Free Trial Version
- Limited Integration
11. Xeams
Xeams is the extended Email and Messaging server that has the ability to encrypt sensitive emails along with their attachments. It is a free email management server that includes the additional features of spam filtering. It supports the email protocols of POP3, IMAP, SMAP, and many more.
It includes a spam firewall system that is helpful in checking every inbound and outgoing email to protect the entire mailing system. It is compatible with all the operating systems, including Windows and Mac. It free trial version is available, and its starting price is 20 USD per year.
It is a secure email server that blocks junk messages and encrypts sensitive emails with attachments. It allows its users to quickly send and receive large attachments with high protection through email. It includes the core features of email routing, retention management, and many more.
Features
- Access Controls
- Data Import Export
- Audit Trail
- Behavioral Analytics
- Live Monitoring
Pros
- File Sharing
- Affordable Pricing Plans
- Effective Spam Filtering
- Easy to Use
- User-Friendly Interface
Cons
- PC Hanging Issues
- Difficult Message Search
- Poor Forum
- Lack of Integration
- Limited Customization Reports
12. iRedMail
iRedMail is an alternative to postfix that is a free and open-source mail server solution provider. It is designed for Linux and BSD distribution vendors. It has a user-friendly interface that is easy to use and allows users to deploy the mail servers without any limitations.
It is helpful in deploying open-source and fully-fledged mail servers in a few minutes. It includes the best security system that no other organization will be able to see the content of the customer. Emails are encrypted in the form of TLS, and the passwords are stored in SSHA512 or bcrypt.
Features
- Main Stream Linux
- Web Interface Localization
- Countless Mail Users
- Mailbox Quota Control
- Separate Domain Administrator
- Unlimited Accounts
Pros
- Wide Range Customization Options
- Safe to Use
- User-Friendly Interface
- Highly Security System
- Free Mail Server
Cons
- Limited Features In Free Plan
- Poor Customer Service
- Issues in Email Throttling
- Problems in Viewing Spam Score
13. MailHog
MailHog is an email testing tool used to configure their application for SMTP delivery. It ensures that emails are sent to real addresses or not. It has a user-friendly interface that is easy to use and is fully customizable. It will be helpful in retrieving the messages with JSON API.
It is beneficial in releasing messages to real SMTP servers, and it requires HTTP basic authentication for the MailHog user interface and API access. Configuring postfix is much easier than MailHog configuration, and it required relatively more messages space than others.
Features
- ESMTP Server Implementation
- Encoded Header
- Real-Time Updating
- Individual MIME Parts
- Email Forwarding
- Support SMTP
Pros
- No Software Required
- Support Multiple Languages
- Lightweight and Portable
- User-Friendly Interface
- Easy to Configure
Cons
- Lack of Plugins
- Limited Integration
- Issues in SMTP Protocol
- Poor Customer Support
14. Exim
Exim is the message transfer agent (MTA) that allows users to connect UNIX systems connected to the internet. It is helpful to encrypt SMTP connections, access control lists, and scan content. It works under the terms and conditions of the GNU General Public License.
It has a user-friendly interface that is easy to use and is fully customizable. Its typical customers are Small and Mid-Size Businesses and Large Enterprises. It can be used in place of Sendmail, but its configuration is quite different from others, and it is designed for Linux operating systems.
Features
- SMTP System
- Exim Tar Archive
- Filter Specification
- Exim Internet Mailer
Pros
- User-Friendly Interface
- Flexible to Use
- Easy to Configure
- Faster and Secure
Cons
- Limited Documentation
- Lack of Integration
- No Window Support
Final Words
Postfix is an email server that helps users in managing all of their emails and can customize them according to their needs. A postfix expression, also known as a postfix calculator, is a single letter or an operator in an equation that is proceeded by two postfix strings.
The main drawback of using it is difficult to customize and has limited database queries. Moreover, it has no graphical interface and a complex setup that is difficult to understand and is not suitable for beginners. Lastly, its configuration process is complex as compared to others.
Many alternatives are available that perform betters than Postfix and cover all of its issues. As shown in the article, the Mailinator alternative is best to use because of its extensive features, and the audience may choose other alternatives by considering their demand and available resources.
