Nodemailer: Error: inicio de sesión no válido: 534-5.7.14 código de respuesta: 534

¡Hola! Utilizo mi cuenta para enviar mensajes. Cuando empiezo a usar el mismo código en un servidor remoto, aparece este error

{ Error: Invalid login: 534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbsu 534-5.7.14 UOV711iivRHEfIeXzOmy2_wZbffsR9K3dxHBZ16f79wYlxpJXtjNTv9_57gP-bxO5jmsov 534-5.7.14 MAebgcVzoXLcepsY8z3iTXYlxX2kEXUOIpSHt4LmAJubm0v8uc3lv-GBKhhzBavRfkLMj7 534-5.7.14 W5WpHMlv5vgb_V_bjMfdba3ny3uivEgLOMB45JDhCrSMC07qkHL5CJ5h> Please log 534-5.7.14 in via your web browser and then try again. 534-5.7.14 Learn more at 534 5.7.14 https://support.google.com/mail/answer/78754 v1sm5499961eja.7 - gsmtp at SMTPConnection._formatError (/root/bochica/site-backend/node_modules/nodemailer/lib/smtp-connection/index.js:781:19) at SMTPConnection._actionAUTHComplete (/root/bochica/site-backend/node_modules/nodemailer/lib/smtp-connection/index.js:1516:34) at SMTPConnection._responseActions.push.str (/root/bochica/site-backend/node_modules/nodemailer/lib/smtp-connection/index.js:554:26) at SMTPConnection._processResponse (/root/bochica/site-backend/node_modules/nodemailer/lib/smtp-connection/index.js:940:20) at SMTPConnection._onData (/root/bochica/site-backend/node_modules/nodemailer/lib/smtp-connection/index.js:746:14) at TLSSocket.SMTPConnection._onSocketData (/root/bochica/site-backend/node_modules/nodemailer/lib/smtp-connection/index.js:189:46) at TLSSocket.emit (events.js:189:13) at addChunk (_stream_readable.js:284:12) at readableAddChunk (_stream_readable.js:265:11) at TLSSocket.Readable.push (_stream_readable.js:220:10) code: 'EAUTH', response: '534-5.7.14 <https://accounts.google.com/signin/continue?sarp=1&scc=1&plt=AKgnsbsu\n534-5.7.14 UOV711iivRHEfIeXzOmy2_wZbffsR9K3dxHBZ16f79wYlxpJXtjNTv9_57gP-bxO5jmsov\n534-5.7.14 MAebgcVzoXLcepsY8z3iTXYlxX2kEXUOIpSHt4LmAJubm0v8uc3lv-GBKhhzBavRfkLMj7\n534-5.7.14 W5WpHMlv5vgb_V_bjMfdba3ny3uivEgLOMB45JDhCrSMC07qkHL5CJ5h> Please log\n534-5.7.14 in via your web browser and then try again.\n534-5.7.14 Learn more at\n534 5.7.14 https://support.google.com/mail/answer/78754 v1sm5499961eja.7 - gsmtp', responseCode: 534, command: 'AUTH PLAIN' }