DeliverySlip Alternatives: Top 10 Email Encryption Software in 2025

SenditCertified offers cloud-based file storage, electronic signatures, voice and video messaging, detailed reporting, message recall and more. With no costly IT investments or lengthy installation processes, SenditCertified can be rapidly deployed, even in the largest of organizations. SenditCertified, a cloud-based system that enables subscribers to securely send and receive encrypted email messages and large files online. Whether a subscriber is using web-based SenditCertified or the SenditCertified for Microsoft Outlook feature, sending encrypted email is as simple as using traditional email. SenditCertified meets NIST standards and Meaningful Use requirements for HIPAA compliance.

SendSafely helps users send encrypted files and information to anyone irrespective of the platform. Users can use the tool’s highly secured file sharing platform to send files from any browser and email platform. The receiver does not need to have SendSafely in order to download the sent file. Moreover, one can even create a personal URL to request files from others. The robust OpenPGP encryption with AES-256 builds a completely secure file sharing channel. The software also has a Secure Email module that facilitates the exchange of confidential emails and sensitive attachments. Major email clients only provide encryption in transit. SendSafely adds another layer of security to that and encrypts information right from the point of sending and keeps the entire information encrypted even after being received. Notably, the process is not even a bit complex as the software has plug-ins both for Microsoft Outlook and Gmail. Additionally, it also offers a serverless email gateway that allows transparent encryption of outbound emails based on policies defined by the user. One can also integrate SendSafely's Dropzone widget with any web platform, thanks to the embeddable API support.

Securely Send allows anyone to send large files safely and easily. Make sure that your intended recipients receive your messages. Send your files securely, you can even password protect the messages. Send files securely with Securely Send. Sending files is as easy as entering the email address of who you would like to send to, attach the files you would like to send, and simply click “Send Message”.

FileInvite software is a platform used to manage all your document automation process. The software offers templates to design your request documents in seconds. It is a secure platform used to save requests, messages and forms or contracts for repeat use, and populate with client data. Receive alerts for your document requests. It integrates with Zapier, and more. Freelancers, Small, Medium and Large companies make use of the software.

AppRiver, a Zix company, is a channel-first provider of cloud-enabled security and productivity services. The company’s brand is built on highly effective security services backed by 24/7 white-glove Phenomenal Care customer service and with Zix + CloudAlly Secure, automated cloud-to-cloud backup with unlimited data retention for M365, Google Workspace, Dropbox, Box, and more.