bloop.email
IMAP settings

BT Email IMAP and SMTP settings

The server settings to add BT Email to any mail app, for addresses ending in @btinternet.com.

Incoming mail (IMAP)
Servermail.btinternet.com
Port993
SecuritySSL/TLS
Outgoing mail (SMTP)
Servermail.btinternet.com
Port465
SecuritySSL/TLS
Sign-in
UsernameYour full BT email address
PasswordYour BT Email password.

From BT Help: Securing your email client. Check there if something has changed.

Before you start

Use BT Email in a native Mac app

Bloop.email works with any IMAP account. Enter these settings once, and BT Email sits next to your other inboxes, with trackers blocked and nothing between your Mac and your provider.