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The meaning of the Acronym 550 is...
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Internet
HTTP Error Codes
550
550 is
Mailbox Unavailable
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Acronym Definition Searched:
PCMCIA
AFSA
12303
EIFS
CASOC
WNJO
DDS
QC
SHO
MDR
MIG
NZE
CCV
TQC
DIDP (CBER)
