How To Send an Encrypted Email on iPhone or iPad?


In this modern world, keeping private information safe is more important than ever. When you encrypt your emails, they can only be read by the person you want to read them. This keeps your messages safe from people who don’t need to see them. Safe texts can be easy to send on an iPhone or iPad if you have the right apps and settings. This guide will show you how to send a secure email from your iPhone or iPad. Your messages will be kept secret and safe.

Why Encrypt Your Emails?

Before you can fully understand the steps, you need to know why this is important. The text of your email is changed into a code that can only be read by the device that received it. There are several important perks to this, such as:

  • Safety: Make sure that only the person you want can read your email.
  • Privacy: It keeps private information from getting into the hands of people who shouldn’t have it.
  • Compliance: It follows the rules that businesses that handle private information must follow.
  • This function checks to see if the text of the email was changed while it was being sent.

Prerequisites for Sending Encrypted Emails

To send safe emails from your iPhone or iPad, you need the following:

  • Something like an email service that can protect messages through encryption: Messages can’t always be encrypted in email. Services like Gmail, Outlook, and Yahoo can keep your emails safe.
  • An Encryption Certificate: For more than one email service, you may need an encryption certificate, which is also known as a S/MIME certificate.
  • An email app that can protect messages: The Mail app that comes with iOS can be used with S/MIME security.

Steps to Send an Encrypted Email Using the Mail App

Step 1: Put in a S/MIME certificate first:

To send secret emails from the iOS Mail app, you need to add a S/MIME certificate:

  • Get a S/MIME certificate. The best Certificate Authorities (CAs) are GlobalSign, Comodo, and Symantec. You can get a S/MIME certificate for free or for a fee.
  • You need to install the certificate. As soon as you get it, open the email on your iPhone or iPad that has it attached and tap it to install it.
  • Enter your passphrase: To set up the profile, just do what it says and give the PIN for your device.

Send an Encrypted Email on iPhone or iPad

Step 2: Enable S/MIME in Mail Settings

  • Go to the Settings app on your iPhone or iPad to open Settings.
  • Accounts and Passwords comes up. To begin, press “Mail” (or “Passwords & Accounts” depending on your iOS version). The next step is to choose which email account you want to change.
  • Next, click on your email account further down the page and then click on “Advanced.” This will turn on S/MIME. Flip the “S/MIME” switch to make it work.

Send an Encrypted Email on iPhone or iPad

Step 3: Compose and Send an Encrypted Email

  • Open the Mail app: Open the Mail app on your iPhone or iPad.
  • Create a New Email: To start a new email, press the “Write” button.
  • Click on the “Encrypt” button: To protect your message, press the lock button when you’re done writing it. If the lock is blue, your email is safe.
  • If the lock is red, that person doesn’t want to encrypt.
  • Send the email: Press “Send” when the lock goes blue to send your safe email.

Send an Encrypted Email on iPhone or iPad

Using Third-Party Apps for Encrypted Emails

Here are some third-party apps that can handle private email on iOS if you’d rather not use Mail:

1. ProtonMail: This is a well-known safe email service that encrypts everything, from the sender to the user. You can get the ProtonMail app from the App Store. It’s easy to send texts that are safe.

2. Tutanota: This is another safe email service that encrypts files all the way through. You can get the Tutanota app from the App Store. It makes it easy to send and receive protected emails.

3. Virtru: Both Gmail and Outlook can use Virtru’s protection services. Get the Virtru app and follow the steps on the screen to secure your emails.

Troubleshooting Common Issues

Even if everything is set up right, you might not be able to send private emails. Why these problems happen and how to fix them:

  • Make sure that the person who will get the message has a S/MIME certificate set up and installed.
  • Make sure that the person who receives the email can encrypt it.
  • Make sure the email address you used is correct.
  • Make sure that the recipient’s public key or certificate is loaded.
  • You should make sure that the certificate comes from a reputable Certificate Authority.
  • After restarting your device, try to install the certificate again.


Sending encrypted emails from your iPhone or iPad is a great way to keep your private information safe. No one else can read your messages if you use the built-in Mail app or a third-party app like ProtonMail, Tutanota, or Virtru. To keep your email safe, make sure your security settings are always up to date and know what problems people usually run into.

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Moreover, you can also check out our detailed guide on Troubleshooting Methods And Causes of Gmail Error Code 78144! or Methods to Fix Gmail Privacy Error And Tips to Prevent Gmail Privacy Error from Happening Again!

Frequently Asked Questions (FAQs)

What is a S/MIME certificate, and why do I need one?

A digital certificate called a S/MIME (Secure/Multipurpose Internet Mail Extensions) certificate lets you sign and encrypt emails. The sender’s name is also checked to make sure that only the right person can read the email. You need this certificate to send encrypted emails from the built-in Mail app on an iOS device.

Can I send someone a protected email?

People who know how to protect emails can also receive protected emails from you. You must have installed and set up your S/MIME certificates on both ends of the message. If the other person does not support S/MIME, you will not be able to send a secret email to them.

Are apps for protection that come from outside sources safe?

Yes, third-party encryption apps you can trust, such as ProtonMail, Tutanota, and Virtru, are designed to keep your data safe from beginning to end. These programs encrypt your emails before they leave your computer. They can only be read by the person you want to receive them.

What should I do if the protection doesn’t work?

It’s possible that the other person can’t read your encrypted email or the encryption lock has turned red. If this happens, make sure that both of you have loaded and set up your S/MIME certificates correctly. Also, make sure that the email address is correct and that the recipient’s email software can handle encryption.

Does every email have to be encrypted?

Encrypting emails is needed for some emails that have important information in them but not for all emails. When you share private, business, or personal data, encryption makes sure that only the right person can see it. Emails that aren’t private, like newsletters or personal notes, might not need to be encrypted.

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