SMTP authenticatie
AUTH PLAIN [crayon-5bce5f5b46a10472421761/] AUTH LOGIN [crayon-5bce5f5b46a1f431690391/] Let op: Gebruik geen echo in plaats van printf; echo stuurt n !
Tag: auth
POP3 authenticatie
[crayon-5bce5f5b4c716649811761/]
IMAP authenticatie
LOGIN [crayon-5bce5f5b4c818432390294/] AUTHENTICATE PLAIN [crayon-5bce5f5b4c81e750389999/]