========================================
PRUEBA: SSL implícito  ->  ssl://mail.gerclisa.com:465
========================================
BANNER: 220 srv.gerclisa.com
EHLO:
250-srv.gerclisa.com Hello static.241.29.99.88.clients.your-server.de [88.99.29.241]
250-SIZE 52428800
250-8BITMIME
250-PIPELINING
250-AUTH PLAIN LOGIN
250-CHUNKING
250-SMTPUTF8
250 HELP
AUTH: 334 VXNlcm5hbWU6
USER: 334 UGFzc3dvcmQ6
PASS: 235 Authentication succeeded

>>> [OK] Autenticación correcta con 'SSL implícito' <<<

========================================
PRUEBA: STARTTLS  ->  mail.gerclisa.com:587
========================================
BANNER: 220 srv.gerclisa.com
EHLO:
250-srv.gerclisa.com Hello static.241.29.99.88.clients.your-server.de [88.99.29.241]
250-SIZE 52428800
250-8BITMIME
250-PIPELINING
250-AUTH PLAIN LOGIN
250-CHUNKING
250-STARTTLS
250-SMTPUTF8
250 HELP
STARTTLS: 220 TLS go ahead
TLS handshake OK
AUTH: 334 VXNlcm5hbWU6
USER: 334 UGFzc3dvcmQ6
PASS: 235 Authentication succeeded

>>> [OK] Autenticación correcta con 'STARTTLS' <<<

========================================
PRUEBA: Plain (sin TLS)  ->  mail.gerclisa.com:25
========================================
BANNER: 220 srv.gerclisa.com
EHLO:
250-srv.gerclisa.com Hello static.241.29.99.88.clients.your-server.de [88.99.29.241]
250-SIZE 52428800
250-8BITMIME
250-PIPELINING
250-AUTH PLAIN LOGIN
250-CHUNKING
250-STARTTLS
250-SMTPUTF8
250 HELP
AUTH: 334 VXNlcm5hbWU6
USER: 334 UGFzc3dvcmQ6
PASS: 235 Authentication succeeded

>>> [OK] Autenticación correcta con 'Plain (sin TLS)' <<<

Diagnóstico finalizado.