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QK SMTP Server

QK SMTP Server is a powerful but easy-to-use smtp server software, which can send mails from local host to the recipients' mailboxes directly at an amazingly high speed. Arrived or not, you will get feedback instantly.

QK SMTP Server

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	FAQ

FAQ from SMTP Server Users

FAQ - Socket Error

FAQ - SMTP Error

Mail FAQ

How to Make SMTP Setting with Mail Clients and ASP code?

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Socket Error

Socket error 0 - Directly send error

Socket error 10004 - Interrupted function call

Socket error 10013 - Permission denied

Socket error 10014 - Bad address

Socket error 10022 - Invalid argument

Socket error 10024 - Too many open files

Socket error 10035 - Resource temporarily unavailable

Socket error 10036 - Operation now in progress

Socket error 10037 - Operation already in progress

Socket error 10038 - Socket operation on non-socket

Socket error 10039 - Destination address required

Socket error 10040 - Message too long

Socket error 10041 - Protocol wrong type for socket

Socket error 10042 - Bad protocol option

Socket error 10043 - Protocol not supported

Socket error 10044 - Socket type not supported

Socket error 10045 - Operation not supported

Socket error 10046 - Protocol family not supported

Socket error 10047 - Address family not supported by protocol family

Socket error 10048 - Address already in use

Socket error 10049 - Cannot assign requested address

Socket error 10050 - Network is down

Socket error 10051 - Network is unreachable

Socket error 10052 - Network dropped connection on reset

Socket error 10053 - Software caused connection abort

Socket error 10054 - Connection reset by peer

Socket error 10055 - No buffer space available

Socket error 10056 - Socket is already connected

Socket error 10057 - Socket is not connected

Socket error 10058 - Cannot send after socket shutdown

Socket error 10060 - Connection timed out

Socket error 10061 - Connection refused

Socket error 10064 - Host is down

Socket error 10065 - No route to host

Socket error 10067 - Too many processes

Socket error 10091 - Network subsystem is unavailable

Socket error 10092 - WINSOCK.DLL version out of range

Socket error 10093 - Successful WSAStartup not yet performed

Socket error 10094 - Graceful shutdown in progress

Socket error 11001 - Host not found

Socket error 11002 - Non-authoritative host not found

Socket error 11003 - This is a non-recoverable error

Socket error 11004 - Valid name, no data record of requested type