Top 12 DeliverySlip Alternatives for Windows, Compared (2026)

What is RMail?

Introducing RMail, the ultimate solution for your important messages. Say goodbye to standard email and hello to advanced features. With RMail, you can easily track your emails and receive a Registered Receipt email record for each message, providing proof of delivery, time, and content. Keep ...

What is Fastmail?

Fastmail is a privacy-focused email hosting provider offering ad-free, tracking-free email with custom domains, calendars, and contacts for individuals, families, and businesses. Notable features include Masked Email for per-site aliases, JMAP support, and built-in migration tools, with data ...

What is Beeble?

Discover Beeble, the ultimate solution for private, secure email communication and encrypted cloud storage. In a digital world filled with potential threats, Beeble offers unparalleled security and reliability for the storage and management of your critical information. At Beeble, we understand ...

What is Protonmail?

ProtonMail is a secure emailing service based in Geneva, Switzerland, founded in 2013. It ensures user data privacy by employing client-side encryption before content and information is sent to ProtonMail servers. Subscribers can access the service through a webmail client, the Tor network, or ...

What is EasyDMARC?

EasyDMARC is the #1 email security platform for IT Managers and Sysadmins. It offers a comprehensive suite of tools to help safeguard your email infrastructure from phishing and BEC attacks. The streamlined DMARC implementation process makes it simple to deploy the records needed to secure your ...

What is DMARC Report?

DMARC Reporting, Monitoring and Anti-Spoofing services for MSPs, Service Providers and Businesses. DMARC Report is an all-inclusive solution regardless of the size of your organization. Gain visibility and control over your mail domains for compliance with this comprehensive reporting solution. ...

What is Telios?

Telios is an ultimate private email service software that offers end-to-end encryption for all your messages and attachments. It allows you to securely communicate via a peer-to-peer network which keeps your emails secure from outsiders. All your data is safely encrypted and stored on your own ...

What is DataMotion Secure Email?

DataMotion Secure Email is a comprehensive, user-friendly solution for exchanging private, regulated emails, messages, and files. The service's FIPS 140-2 compliant encryption, zero-trust design, and easy-to-use interface guarantee organisations improved data security and privacy while adhering ...

What is Echoworx?

Echoworx is email encryption software designed to take advantage of the sendmail program, which is installed on virtually every UNIX system. Echoworx allows to digitally sign and encrypt email so that only the person(s) who have been authorized can read it. This also allows to digitally sign so ...

What is NeoCertified?

NeoCertified is an end-to-end email encryption software on the market. Through a simple installation process, it adds maximum security to communications with friends, family, and business associates. Encrypt email contacts' emails with carbon copy (Cc) or blind carbon copy (Bcc), giving control ...

What is Appriver?

AppRiver's email encryption and archiving software provides the ability to send and receive encrypted emails with attachments securely over the Internet. These encrypted emails can be sent and received with any compatible mail user agent (MUA) such as Microsoft Outlook, Mozilla Thunderbird, ...

What is lockrMail?

lockrMail is an easy to use email encryption software. It protects emails by converting emails into ciphertext, which is then sent to the recipients. The recipient can then use their own account passphrase (or the public key if it is a public/private key system) to decrypt the message back into ...