To add a Fastmail account to Airmail, follow the steps -
- Login your Fastmail account on the web login.
- Choose 'Password and Security' as shown in the screenshot above.
- Then create an App Password in the following settings' page and copy the password.
- Go to "Add your email account" window and then choose IMAP.
- Enter the credentials of your account and paste the password in the field.
- Fill the IMAP server as imap.fastmail.com
- Fill the SMTP server as smtp.fastmail.com
- Choose to add the account. The ports will be auto detected by Airmail.
Please contact support if you have any issues in adding the account to Airmail and we will try to resolve it for you as soon as possible.