E-Mail kommt nicht an

[Carl]

Hi

was bedeutet es denn, wenn man diese Meldung zurück bekommt, wenn man versucht eine E-Mail zu verschicken?

----- The following addresses had permanent fatal errors -----
[e-mail]
    (reason: 550 5.2.3 channel size limit exceeded: [e-mail])

----- Transcript of session follows -----
... while talking to wh.eop.gov.:

RCPT To:[e-mail]

<<< 550 5.2.3 channel size limit exceeded: [e-mail]
550 5.1.1 [e-mail]... User unknown

Gruss
Carl