Apple Mail
Add Account, then Other Mail Account. Incoming server mail.mailbelo.com, port 993, SSL. Outgoing server mail.mailbelo.com, port 587, STARTTLS. The username is the full address. Use an app password from the dashboard.
Clients
The username is the full mailbox address. Use an app password from the dashboard.
Add Account, then Other Mail Account. Incoming server mail.mailbelo.com, port 993, SSL. Outgoing server mail.mailbelo.com, port 587, STARTTLS. The username is the full address. Use an app password from the dashboard.
Choose IMAP in advanced setup. Same host and ports. Leave “download pictures automatically” off. Read receipts stay off in MailBelo.
It can read autoconfig. The JMAP session is https://mail.mailbelo.com/.well-known/jmap. MTA-STS is in testing mode.
IMAP 993 with SSL. SMTP 587 with STARTTLS, or 465 with SSL. The mail host is mail.mailbelo.com.
Create one on the mailbox page, copy it once, and paste it into the desktop client. Revoke it there when the device is gone.
Remote images are not loaded in webmail. Messages are shown as plain text. A signature is added from the mailbox when you send.
After the client connects, import a saved message from the Clients page in the app, one file at a time, up to 8 MB.