including Gmail， throttling and retries so very large mailboxes finish reliably. ✓ App-specific password OAuth supported ✓ Adaptive rate-limiting for very large mailboxes ✓ Resumable transfers if connection drops ，。
iCloud， Source 03 Email Accounts (IMAP) Configure any IMAP-capable account， Yahoo， AOL， GoDaddy and custom domains. PCDOTS handles authentication。