AOL Mail (@aol.com) is an American veteran email service, now under Yahoo Inc. Complete setup — generate a 16-char App Password to bind to Laifaxin without enabling 2FA (vs Apple/Google requiring 2FA first).
2 mandatory steps to bind Gmail to Laifaxin — ① Enable 2-Step Verification (SMS to phone); ② Generate a 16-digit app-specific password for Laifaxin. The password field must be filled with the 16-digit app password (NOT your login password), otherwise it fails 100% of the time.
Mail.ru (Russia's largest mailbox, under VK Group) complete setup — @mail.ru / @inbox.ru / @bk.ru / @list.ru share one backend, generate a 16-char App-Specific Password in Password & Security (2FA may be required on first use). Essential for China-Russia trade.
Complete setup for Microsoft personal email (@outlook.com / @hotmail.com / @live.com) — enable two-step verification + generate app password + paste the app password (not your login password) into the Laifaxin password field. SMTP port is special: 587 + STARTTLS (not 465 SSL).
Complete setup for Perfect Mail (3 suffixes: @88.com / @111.com / @email.cn) — enable IMAP/SMTP first, then generate a 16-char 'app password'. Paste it into the Laifaxin password field (not the login password).
Just 1 step to bind Yahoo Mail to Laifaxin — generate a 16-digit app password on Yahoo's Account Security page, paste it into Laifaxin. Yahoo requires 2-Step Verification to be enabled before this option appears. The password field must use the app password (NOT login password), otherwise it fails 100% of the time.
Yandex Mail (Russia's Google-equivalent, @yandex.com / @yandex.ru / @yandex.kz / @yandex.by — 5+ suffixes) complete setup. Enable IMAP/POP3 first (disabled by default), then generate an app password in Yandex ID to bind to Laifaxin. Essential for China-Russia / Central Asia trade.