17 guías

Guías de prueba SMTP

Guías de configuración y resolución de problemas para servidores SMTP: puertos, TLS, autenticación y errores comunes.

Proveedores y MTAs

Prueba SMTP de Amazon SES — Configuración y Solución de Problemas Aprenda a probar y solucionar problemas de credenciales SMTP de Amazon SES, puertos 587/465, STARTTLS y TLS con SMTP Tester. email-smtp.us-east-1.amazonaws.com · :587 · STARTTLS Leer guía → Brevo SMTP test: SMTP key, ports, and troubleshooting Brevo SMTP test for smtp-relay.brevo.com on port 587 with STARTTLS. Use your SMTP login and SMTP key (not the v3 API key) as… smtp-relay.brevo.com · :587 · STARTTLS Leer guía → Prueba SMTP de Gmail — Configuración, Contraseñas de Aplicación y Puertos Aprenda a probar el servidor SMTP de Gmail (smtp.gmail.com), configurar contraseñas de aplicación y verificar puertos 587 y 465. smtp.gmail.com · :587 · STARTTLS Leer guía → KumoMTA SMTP test: listeners, STARTTLS, and AUTH PLAIN Test KumoMTA SMTP submission on port 587 or 25. Configure start_esmtp_listener and smtp_server_auth_plain, verify relay with a… your-kumo-hostname.example.com · :587 · STARTTLS Leer guía → Mailgun SMTP test — domain credentials & common errors Test Mailgun SMTP at smtp.mailgun.org on port 587 with STARTTLS. Use per-domain SMTP credentials (not your API key) and read the… smtp.mailgun.org · :587 · STARTTLS Leer guía → Mailjet SMTP test — API key and secret key on port 587 Test Mailjet SMTP at in-v3.mailjet.com on port 587 with STARTTLS. The username is your API key and the password is your secret… in-v3.mailjet.com · :587 · STARTTLS Leer guía → Prueba SMTP de Outlook y Microsoft 365 — Configuración y Autenticación Guía completa para probar SMTP de Microsoft 365 y Outlook (smtp.office365.com), autenticación básica y SMTP AUTH. smtp.office365.com · :587 · STARTTLS Leer guía → PowerMTA SMTP test — listeners, smtp-user, port 587 Test PowerMTA (PMTA) SMTP injection. Configure smtp-listener, smtp-user, authenticated sources, STARTTLS on 587, and verify relay… your-pmta-hostname.example.com · :587 · STARTTLS Leer guía → Resend SMTP test: fixed username, API key, and port 465 Test Resend SMTP at smtp.resend.com on port 465 (TLS) or 587 (STARTTLS). The username is the literal string resend and the… smtp.resend.com · :465 · TLS Implícito Leer guía → Prueba SMTP de SendGrid — Configuración con Claves API y Puertos Aprenda a probar el relay SMTP de SendGrid (smtp.sendgrid.net), configurar autenticación con clave API y solucionar errores 535. smtp.sendgrid.net · :587 · STARTTLS Leer guía → SMTP2GO test tool: mail.smtp2go.com credentials and ports SMTP2GO test for mail.smtp2go.com with a full handshake transcript. Create SMTP users, verify your sender domain, test ports… mail.smtp2go.com · :587 · STARTTLS Leer guía → SparkPost SMTP test: SMTP_Injection username and API key Test SparkPost SMTP at smtp.sparkpostmail.com on port 587 with STARTTLS. The username is SMTP_Injection and the password is an… smtp.sparkpostmail.com · :587 · STARTTLS Leer guía → Zoho SMTP test — smtp.zoho.com ports & app passwords Zoho SMTP test online for smtp.zoho.com and regional hosts on port 587 with STARTTLS. App-specific passwords, sending limits,… smtp.zoho.com · :587 · STARTTLS Leer guía →

Conceptos y resolución de problemas