SMTP-Fehler (Protokollantwortcodes)

Vollständiges Referenzhandbuch zu SMTP-Fehlern (Protokollantwortcodes). Erfahren Sie mehr über alle SMTP-Antwortcodes, ihre Bedeutungen und wie Sie damit umgehen.

SMTP-Fehler (Protokollantwortcodes)

SMTP Error 421: Service Not Available

SMTP Error 450: Mailbox Unavailable

SMTP Error 451: Local Error in Processing

SMTP Error 452: Insufficient System Storage

SMTP Error 453: You Have No Mail

SMTP Error 454: TLS Not Available

SMTP Error 455: Server Unable to Process

SMTP Error 500: Syntax Error, Command Unrecognized

SMTP Error 501: Syntax Error in Parameters or Arguments

SMTP Error 502: Command Not Implemented

SMTP Error 503: Bad Sequence of Commands

SMTP Error 504: Command Parameter Not Implemented

SMTP Error 521: Does Not Accept Mail

SMTP Error 530: Must Issue a STARTTLS Command First

SMTP Error 550: Mailbox Unavailable (Permanent)

SMTP Error 551: User Not Local

SMTP Error 552: Exceeded Storage Allocation

SMTP Error 553: Mailbox Name Not Allowed

SMTP Error 554: Transaction Failed

SMTP Error 555: Parameters Not Recognized or Not Implemented