Microsoft Outlook for Android supports custom IMAP accounts. Follow these steps to add your Topmail account. The process takes around two minutes.

Settings at a Glance

Incoming Mail (IMAP)

Server imap.topmail.com
Port 993
Security SSL / TLS
Username your email address
Password your password

Outgoing Mail (SMTP)

Server smtp.topmail.com
Port 587
Security STARTTLS
Username your email address
Password your password

Steps

1

Open Outlook settings

Open the Outlook app. Tap the Settings gear icon at the bottom-left of the screen.

Outlook for Android with settings gear icon highlighted
Tap the gear icon to open Settings
2

Add an email account

Scroll to the top of the Settings panel and tap Add Mail Account.

Add Mail Account option in Outlook settings
Tap "Add Mail Account"
3

Tap "Add an email account"

Add an email account screen
Tap "Add an email account"
4

Enter your email address

Type your full email address and tap Continue.

Enter email address screen in Outlook Android
Enter your email address and tap Continue
5

Choose IMAP (via Advanced)

Outlook will try to auto-configure your account. Tap Advanced near the bottom of the screen, then select IMAP as the account type.

Advanced settings with IMAP option
Tap Advanced, then select IMAP
6

Enter all server settings

Fill in the complete server configuration:

  • IMAP host name: imap.topmail.com
  • IMAP username: your full email address
  • IMAP password: your email password
  • IMAP port: 993
  • IMAP security: SSL/TLS
  • SMTP host name: smtp.topmail.com
  • SMTP username: your full email address
  • SMTP password: your email password
  • SMTP port: 587
  • SMTP security: STARTTLS

Tap the checkmark ✓ in the top-right corner to save and connect.

7

Finish setup

Outlook will verify the connection and add your account. Tap Skip or Maybe Later if prompted to add another account.

Your Topmail inbox will now appear in Outlook's sidebar.

Troubleshooting

Can't find the "Advanced" option

After entering your email address and tapping Continue, look near the bottom of the screen for a link or button labelled Advanced or Advanced settings. It can sometimes be below the keyboard — scroll down.

Authentication error

Make sure your username is your full email address (including the domain). Verify your password at mail.topmail.com.

Can receive but not send

Check the SMTP server is smtp.topmail.com, port 587, security STARTTLS, with your credentials entered in the SMTP fields.

Still having trouble? Our team is happy to help. Call +44 117 463 3403 or email support@topmail.com.