Features > Engage

Secure replies

Empower recipients to reply with confidence

Secure reply (1)

Mailock’s secure reply feature gives your customers a simple, safe way to respond - with encryption applied throughout the conversation.

All messages and attachments are encrypted end to end to protect privacy and support compliance.

Flexible access

Recipients can reply securely to any message in the Mailock web app - just hit 'reply'.

They can also use our free Outlook add-in for Windows to send and reply securely from their desktop.

Ease of use

Recipients can reply securely without a Mailock account - no hassle, no delays.

With a free Mailock account, it’s easy to reply - and to send secure emails to protect sensitive data.

Business team looking at laptop and smiling around board table

Plans & pricing

Compare plans

Explore our pricing plans to find the right solution for your secure customer communications.

Content Feed

Related media

9 min read
Professional using her smartphone for secure messaging
Cybersecurity
24 07 25

Secure Messaging Showdown: Comparing Tools for Private Digital Comms

Compare secure messaging and email tools for privacy, identity checks, and compliance. Discover the best option for your needs - from Mailock to Signal.

4 min read
professional using computer to send secure email
Outlook Security
24 07 25

How Does Secure Email Work? Encryption & Authentication Explained

Discover how secure email protects against threats like phishing, interception, and human error - and the best tools to keep your data safe.

3 min read
Colleagues looking at laptop and smiling in office

How to Send a Secure Email (Encryption Options, Passwords, & MFA)

Learn how to send a secure email using TLS, encrypted files, or end-to-end email tools like Mailock. Keep messages private and compliant.