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The meaning of the Acronym 550 is...
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Internet
HTTP Error Codes
550
550 is
Mailbox Unavailable
550 is also in:
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Acronym Definition Searched:
IPS
17978
WMBC
DJ
CCRP
NEPSA
DUG
84001
YGA
ED
WDCD
ID
TPE
WKMR
GLCP
