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K-9 Mail alternatives

Free 24 alternatives

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K-9 Mail is an open-source email application that focuses on containing large volumes of email and managing multiple accounts in a single app. The application offers notification per account to keep the users aware of whose email has received. It also provides a unified inbox for users to manage all their emails in a single place.

It also offers white and dark themes to its users and enables the users to sign the email or documents, which they are sending, to keep the authentication of emails. It also enables the users to BCC themselves in the emails and attaches flags to different emails and email accounts.

K-9 Mail provides the security of emails with TLS and CRAM-MD5 encryption and keeps the user’s data protected. The application supports three types of email accounts –IMAP, POP3, WebDAV. Moreover, users can customize the display of folders and can also automate the syncing of folders. It uses external storage for storing emails and saves attachment files. K-9 has emoji support, and the application is free.

Ranked alternatives

1
Fast MailPaid
FastMail is an online email service provider with the most secure and dependable environment for the business. Many organizations have picked this platform as there is no cost structure, have the best quality, and are protected and secure. It offers dependable Junk mail insurance. It is an email service provider for the people and associations providing its services since 1999.
The services for this platform are accessible in 36 different languages. This platform is viewed as a quick, dependable, and secure email service provider. It does not incorporate a full-time email platform. However, it still features many similar elements like timetables, contact service, draft, sharing, coordination, conveying instruments, speedier email framework, and significantly more.
Fast Mail alternatives
2
MissiveFreemium
Missive is an email application for businesses and teams to chat and share. The application allows the users to share attachments, collaborate, and assign tasks right from the inbox. It enables organizations to organize the conversations of project and department by using shared labels.
The application collaborates with social media platforms to stay alert with incoming messages and requests. Moreover, apart from the team chat feature, it also offers one-on-one chat facilities to users. The read receipt feature of the application allows the users to see whether the email has read or not. It provides a great collaboration feature that helps the teams and businesses to create emails together in real-time and share attachments.
Missive offers the send later feature, through which users can schedule the email for any date and time of future. It provides a pinned conversation feature to keep the important conversation on a single click at the sidebar.
Missive allows users to push data to other applications and provides different themes. Moreover, it allows the users to manage their contacts both in shared and private books. The application comes with a free and a paid version, and technical support is available via email.
Missive alternatives
3
BoxerFree
Boxer is a smarter mobile platform for emails, calendars, and contacts –all in one place. The application provides users to reply-quickly with its customized templates and enables the sharing of schedules and more. It offers users certain swipe gestures to manage the emails or inbox easily and allows users to configure it in the way they like.
Boxer gives users the option to edit old templates, create new templates, and also the prioritization of templates. This application provides an additional feature of conference calls within the app. It enables the users to take actions on bulk emails, either through gestures or by its action grid. Moreover, Boxer allows the users to change their email view, i.e., they can convert them into conversation format.
The calendar feature allows the users to keep their pace with their schedule and enables them to create and manage events easily. Boxer prioritizes the security of users and their data by providing them with touch ID and PIN support to access the emails. Moreover, it is a free application.
Boxer alternatives
4
Type MailFreemium
Type Mail has redefined the concept of mobile email by enabling users to manage all their email accounts on a single app. It provides a secure and free top-notch email experience to its users by making the management of different email addresses easy.
The application allows users to set notifications on emails from specific people, and users can create a shared group for both personal and work use, which helps in avoiding sending a separate email to everyone.
Type Mail allows users to cluster up relevant emails in a single place and enables users to set different notifications for every cluster. Moreover, the application keeps all of the emails secured with encryption, and users can add a passcode to this application for protection.
Some other features are Smart conversations, Rich text for different text styles, ActiveSync, different themes and dark mode, and account color-coding that keeps the users aware to which account email has received. Type Mail also enables users to see the sender’s image and icons of popular services. The application is free to install and offers in-app purchases.
Type Mail alternatives
5
MyMailFree
MyMail is an email service that enables users to manage all other email service providers such as Gmail, Hotmail, Yahoo, etc. This platform brings all the user’s email account into a single platform and keeps all the mails securely in one place.
This platform allows users to receive a push notification when a new message is received and also enables the users to turn these notifications on or off for specific users. Moreover, it allows users to assign a quiet time for every account, which helps to separate personal life from work life.
This platform enables the customization of the screen according to the user’s desire by turning on or off the message previews. It enables the users to see icons of popular platforms so that users can recognize the sender’s link.
MyMail offers search filters to its users to narrow down results and saves time for the users. The platform provides enhanced security features such as providing pin lock or touch ID support to the users. Moreover, it allows the users to share media with their contacts and suggests to them when the user is sending an email, and the application is free of cost.
MyMail alternatives
6
ProtonMailFreemium
ProtonMail is a platform that enables users to get their encrypted email account, and it makes it impossible to read the email except for the sender and receiver. This platform is the supposed solution to the compromised email systems, and all messages can self-destruct by senders.
It is easy-to-use, and encryption is transparent, which makes it an attractive platform to use. Encryption of emails is automatic, and all messages are store in an encrypted form, which makes it a secure platform. Users can also set timers to self-destruct the emails after sending them. ProtonMail sends push notifications to users when a new email is received.
The platform enables the sending of password-protected emails to none-ProtonMail users. Moreover, it requires no personal information to create an account, keep the privacy of users first. It does not require installation of any software and is compatible with other email providers. ProtonMail comes with a free account with limited features and a paid account with unlimited features, while technical support is available online.
ProtonMail alternatives
7
Aqua MailFreemium
Aqua Mail is a go-to app that provides users access to all their emails from one complete app, and enables users to manage their work and personal emails at a single platform. The application is easy-to-use and requires no complicated setup, just by entering email and password, users can start using it.
The platform comes with an enhanced customization tool that enables the users to operate the platform according to their needs and preferences. Aqua Mail supports multiple email providers such as Gmail, Yahoo, etc. and hosts multiple mail accounts like Google Apps, Yahoo BizMail, etc. Moreover, it enables integration with other third-party apps by providing synergy, customizability, and maximum control.
Aqua Mail comes with a Push mail and self-hosted IMAP servers for Exchange and Office 365. It provides full control to users on their emails, for example, backup or restores and sending or saving attachments.
Moreover, it includes the sender’s images and enables users to preview, accepting, or rejecting the events. The premium version allows the users to add multiple accounts, remove ads, and the Aqua Mail promo signature in outgoing messages. It has a free and a paid version, while technical support is available online.
Aqua Mail alternatives
8
FairEmailFreemium
FairEmail is an open-source, full-featured, and friendly platform that sends emails. It allows users to hold unlimited accounts and email addresses, and a unified inbox provides offline storage and is a secure platform. It also warns the users if messages are not authenticated and automatically recognizes images.
FairEmail offers easy navigation, quick setup, and no other distracting features. The platform is a genuine service and confirms opening links, images, and attachments. It is supported by IMAP IDLE and has the latest built-in tools and libraries.
FairEmail offers Biometric/Pin authentication and keeps the emails protected with encryption. It enables users to send messages within their selected time and has customized reply templates. The application does not occupy much space and is fast in its functions, and technical support is available online.
FairEmail alternatives
9
Newton MailFreemium
Newton Mail is an email app with space-age features for current business communications. The platform provides features like Send Later, Undo Send, Connected Apps, Read receipts, etc.
The read receipt feature of the service allows users to know when the receiver reads their emails. The platform provides users an email tracking tool that works well with all other applications like Google Apps, iCloud, Gmail, etc. and also receive notifications when an email delivered to its reader. The Recap feature allows users to bring those conversations back that are awaiting a reply from them.
The Tidy inbox feature of Newton Mail enables the users to select emails, according to specific categories, demanded by the user and emails from real people will appear in the inbox. It allows users to save email files into other apps like Evernote, Asana, etc.
Newton Mail integrated with other platforms that enable the attachment of files easy. Moreover, the platform helps the users to schedule the emails to send them later and also notifies them when the email delivered. Newton Mail comes with a 14-day free trial and paid version, while support is available online.
Newton Mail alternatives
10
BlueMailFreemium
BlueMail is an elegant email app that offers email management from an unlimited numbers of mail accounts and from multiple email providers. The app directly connects to your mail server and can be a direct alternative to your conventional app with a lot of extra features. BlueMail has a wide variety of visual customizations as well as technical preferences that you can set according to your taste. Change the gestures, themes, colors, fonts, menus, listings, filter messages, create a blacklist, and much more.
A highlighting feature is the Clusters that allows you to bring people, groups, and services together in one place. When Clusters are enabled, emails are stacked with all previous emails from the same sender or group. Apart from cleaning your inbox clutter, this creates a new context-based view where you can easily see all previous communications exchanged, which helps to navigate your inbox much more efficiently.
Another notable feature is its own calendar that is built into the app. The calendar syncs all your events with one tap as well as connects you with contacts, and sets the notifications. With the Unified Inbox, syncing many accounts from many providers is not only simple; set up is a snap. BlueMail automatically adds and configures your IMAP, POP3, & Exchange accounts while also enabling lightning-fast push services.
BlueMail alternatives
11
Spark MailFreemium
Spark Mail is an application available for smartphones and Windows that you can use as an alternative to your current native email app. It has a lot of features that stand this app out among native email apps. With the intelligent email prioritizations, it analyzes which email is important so that you see that first and the unimportant mails are placed at the bottom. Reply to only important people and archive the rest in bulk.
The app reduces the notification traffic by alerting you about the people you know and those whose email is important. A highlighting feature is a build-in calendar that synchronizes all your events, invites, and important tasks on the go. You get the alerts on top of notifications whenever an important task is coming. Spark Mail app is also best suited for teams working in collaboration.
Spark allows you to create, discuss, and share emails. Collaborate with the help of a real-time editor to compose pro-level emails. Another notable feature is that you can invite your team members and have a chat to discuss any kind of topic. All in all, Spark Mail is a great app that you can use to boost productivity.
Spark Mail alternatives
12
SpikeFreemium
Spike is an email app that combines the feature of your native email app and messenger with its powerful features to provide you an elegant design with simple but responsive functionalities. The app allows a bit of different communication with the other person. Conventional long paragraphs are replaced with chats and natural human-like conversation without any stiff formalities. This allows for better understanding and less confusion.
Repeating headers, signatures, and threads make email hard to read. Clear the clutter and transform your email into a real-time chat that’s easy to read. All your emails and threads are found under the contact, along with your past and present communications. All the relevant information for the person you’re talking to is provided right where you need it. Every conversation, file, social profile, and attachment are under the categorized hood.
Profile pictures let you identify people at-a-glance, see when they are online, and even when they received or read your message. Another notable feature is the priority inbox that helps you save time by reading and getting notifications about only necessary and important emails. Mails from known persons and contacts are placed on top, so you don’t miss out on the important messages. All in all, Spike is a great email tool that you can consider among its alternatives.
Spike alternatives
13
Loop EmailFreemium
Loop Email is an app that is built to deliver an unparalleled speed with no more clutter and tapping in your inbox to wait for new messages like your conventional email app. The app is made for individual use as well as for team collaboration. It offers a clean and intuitive UI to keep things simple and organized with categorized options. It handles all your personal emails or emails from multiple employees in one place.
With the state-of-the-art intelligent inbox prioritizing feature, you only get the important mails on the top of your inbox and get the relevant t notification to scale time and space. Search mails and contacts by key works, name, subject, phrase, or access the smart folder that automatically saves your expenses, shopping, and travel information.
The app works with all email providers so that you don’t have any restrictions from the platform. Another notable feature is the built-in AI assistant that automatically unsubscribes from the junk and spam emails to keep the inbox clean, manage your receipts, sync the calendar with events and tasks, and send alerts for the upcoming event. You can easily undo sent mail, snooze messages to remind you later, and do much more with this application.
Loop Email alternatives
14
MailtrimFreemium
Mailtrim is an email app that allows you to replace your traditional emailing app with elegant and feature-packed service. It supports all the email vendors to helps you manage all emails from one unified inbox. The app is perfect for teams, creating an all-in-one inbox and communication hub for your team. It simplifies and organizes all incoming messages into one simple app, whether you’re looking after emails from customers, partners, or internal teams.
The pile of emails that your businesses receive is streamlined with this app. You can retrieve and read all your multiple accounts emails from a clutter-free inbox. You can compose emails in traditional styles for the organization or chat with a user-friendly inbox to the people you know. This makes for better understanding, easy collaboration and helps you discuss the problems better. All in all, Mailtrim is a great tool that you can consider among its alternatives.
Mailtrim alternatives
15
MailDroidFree
MailDroid is an email app that you can use to manage your emails from multiple vendors in one unified inbox. A feature that makes it stand out among others is that it doesn’t have a backend server, so there is no privacy concern. Just choose the POP and IMAP exchange connections, and the client will directly speak to you. You can snooze the email to remind you about important emails later on. You can set up the app with the most optimal settings or do the customization according to your taste. There is a full, rich text editor built into the app that helps you compose extra writing for yourself.
A lot of notification customization options are available to make the app tailored for your liking. You can set certain mail notifications to be blocked and prioritize certain contacts to get emails on top of your inbox. With the PGP and sMIME encryption, your data and messages are secured even from the backend. All in all, MailDroid is a great app that you can consider among its alternatives.
MailDroid alternatives
16
Claws MailFree
Claws Mail is an easy-to-use email client that comes with an intuitive UI and features. With the quick response, graceful and sophisticated interface, you can easily configure the application the way you like. The messages are managed with MH format that provides fast and secure access without any loading times. You can also import your emails from almost any other email client and export them just as easily. With his app, you don’t need to log in to multiple apps and manage the emails from one unified inbox.
You can add as many custom filters to your inbox as you like, such as sorting emails according to sender or even content. This way, you’re not limited to the traditional Spam, Draft, and Trash folders. Some other notable features include a threaded display, Usenet news reading, user-defined labels, Multiple MH folder support, external editor, address book, line-wrapping, etc. All in all, Claws Mail is a great tool that you can consider among its alternatives.
Claws Mail alternatives
17
Hexamail FlowFreemium
Hexamail Flow is an email client application for desktop that you can use to manage, send, and receive emails from multiple providers in one unified place. It integrates your events, tasks, calendar, and contacts into the app. Hexamail Flow can manage emails, automate them, sync calendar with tasks, and much more. The inbox can also be converted into a chat view to message with convenience and better understanding.
It is delivered, and the message reads the sign that lets you know the person is offline or has seen your message. You can schedule an email to be sent later on and cancel it if you change your mind. In one click, automatic delegation forwards an email to another recipient, creates a reminder to follow up the email, links the contact and the email, and archives the email. Automatic predictive folder archiving suggests the best folders for your email with a single click.
Hexamail Flow alternatives
18
Mail Backup XFreemium
Mail Backup X is a mailing application that allows you to back up your personal emails from almost all the email sources available. With this tool, you can easily organize emails from multiple providers in one unified place. For Small and Medium Business. No more worries about missing or deleted emails, mail storage quota full warnings, lost productive hours when you are using Mail Backup X for teams. You can focus on what matters to you the most. You can easily restore specific or the entire mail archive at your convenience
Not only that, but you can also restore mails in few clicks to any archive file format supported by the mail client. You can easily search only emails with attachments with specific file types or do a complex query. Another notable feature is the backup dashboard for admins that allows them to view backup status at runtime. Get Quick Alerts and notifications on backup for team member’s backups needing attention. All in all, Mail Backup X is a great tool that you can consider among its alternatives.
Mail Backup X alternatives
19
WPS Mail
WPS Mail is an email application that allows you to manage your email accounts from multiple providers from one tailored dashboard. You can easily link your mails from Gmail, AOL, Yahoo, Outlook, iCloud, etc. The advanced search tool provides the exact emails that you are looking for. The search can be performed using a title, receiver name, or the content phrases in the email. With the scheduling function, notifications of incoming emails will not come through during specified times of the day.
Likewise, you can personalize the notification alert sounds as well as vibrations. Other notable features include automatic mail protocol selection, IMAP, POP3, and Microsoft Exchange service support, OAuth, conversation mode for easy understanding and quick replies, UI customization, file management, do not disturb mode, contact management, password protection, and much more. All in all, WPS Mail is a great tool that you can consider among its alternatives.
WPS Mail alternatives
20
PinglyFreemium
Pingly is an elegant and modern email management app that you can use to send and receive emails no matter which provider you’re using. It’s not just an email client, but you can also host email on your own domain. It integrates the email with your company’s team chat into a single unified place. With Pingly, save time and focus on important things for a productivity boost up. The interface is based on material UI that gives a minimal look with all the important sections like inbox, outbox, drafts, compose, etc. are there on top.
Intelligent filtering system, the spam emails are automatically trashed, and unimportant mails are placed at the bottom of the inbox. You can sync your calendar with events, invites, tasks, and scheduled to get an alert on time so that you don’t miss any important tasks or meetings. All in all, Pingly is a great tool that you can consider among its alternatives.
Pingly alternatives
21
SIGAINTFreemium
SIGAINT is a platform that enables users to send emails without letting anyone know their identity and location. The platform allows users to perform some dark tasks, which if they do from their real email address, could get them arrested by the authorities. It helps users to keep their identity hidden and can play the role of an informant to anyone.
Some of the most important and frequent users of this platform are journalists and activists who can convey their message or any proof through this emailing platform without revealing their identity. Lastly, the platform also comes with paid services that enable users to store their messages and emails on the platform, and everything is encrypted on it. SIGAINT informs users that they cannot use this service to harm or threaten people.
SIGAINT alternatives
22
Stamplia BuilderFree
Stamplia Builder is a simple yet powerful email template builder that allows you to create an email template for any purposes easily. It is a feature-rich software and comes with a simple interface where you can easily create and modify email templates.
The platform features a massive library of templates that are created by an expert team. You can easily choose and customize each of its templates without any limit. Simply you just need to add your details such as name, email, contact, and all the other details.
After finalizing, you can preview, save, and even share them without any limit. Stamplia Builder is commercial software and offers multiple price plans. Each plan has its own cost and core features such as powerful tools, multiple templates, expert guides, and much more.
Stamplia Builder alternatives
24
Nine – Exchange ActiveSyncFreemium
Nine – Exchange ActiveSync is a platform that enables users to organize multiple email accounts on a single application. The application provides services from emails to managing notes.
The working of the application is simple, just entering the email address and password, and users can use the email services easily. Moreover, the app also allows users to choose the contents they want to sync and enables the syncing of tasks and calendars. Nine – Exchange ActiveSync enables users to customize their accounts according to their desire and aligning of emails by sender, subject or priority, and other means.
Nine – Exchange ActiveSync keeps the data secure and erases the data after ten failed password attempts. The application allows users to keep all the email account separate and manage them easily. Moreover, it comes with a feature of including group emails into conversations and allows the users to set up which folder should appear first when they open the app.
Key feature includes Direct Push Synchronization, Calendar and Contacts, Rich-text Editor, Client Cert, IRM, and different widgets. This application comes with a free trial for 14 days and a paid version, and it stored account data and password on the users’ devices.
Nine – Exchange ActiveSync alternatives
25
LavaboomPaid
Lavaboom is a Zero Access Encrypted Email Service based in Germany. The founder Felix Müller-Irion developed the service after Lavabit was shut down. The team intended to cash in by introducing a similar service. The focus of the project is to simplify the user experience by removing the hassle users go through to manually generate and exchange encryption keys. The UX and UI are the proof of its commitment.
It uses JavaScript, and the whole encryption takes place in the browser, and the company can’t take a peek because the emails will be encrypted and decrypted on the device, resulting in maximum privacy. The service is open-source, and the repository can be found on GitHub, allowing those interested in going through the source code themselves to verify the claims. Lavaboom is targeted towards privacy-oriented and anyone who wants to secure their email conversations. Individual users can use the service without paying any fees, whereas Indiegogo backers will get access to 2GB of storage, and end-users will be given 1GB.
Lavaboom alternatives