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How do I connect to my mailbox through Outlook for mobile?

Here's how to set up a 20i mailbox on a mobile device using Outlook. You can get Outlook for Android here, and Outlook for iOS here

Firstly, you will need to open the Outlook app on your mobile device. 

  • Enter the email address of the mailbox that you would like to use on the device and select Add Account 

Add account to the Outlook mobile app

  • Select the type of mailbox that you'd like to use – in this case, select IMAP, under Advanced. 


  • Enter the configurations as shown below: 

Email Address: example@yourdomain.com 

Display Name: Your name 

Description: Enter any description that matches how you want to use the mailbox

Incoming mail server: imap.stackmail.com. 
Outgoing mail server: smtp.stackmail.com. 
Incoming server port (IMAP): 993 
Use the following type of encrypted connection: SSL 
Outgoing server port (SMTP): 465 
Use the following type of encrypted connection: SSL/TLS 

IMAP/SMTP Username: example@yourdomain.com 

IMAP/SMTP Password: Mailbox Password 


IMAP details page in mobile Outlook