regsvr32 0x80020009 error and solution

Question: I am having a problem registering the ChilkatCrypt2.dll and ChilkatMail_v7_9.dll files using regsvr32. I get the following error message: 0x80020009 I am using Windows Server 2008 R1 and will also need to register on 2008 R2 (have not tried yet). Solution: Regsvr32 needed to be run in a command window that was run as an administrator. Also: Regarding regsvr32 […]

Chilkat 9.0.7 Release Notes

The following changes, fixes, and new features are available in version 9.0.7. SFTP Performance improvements for upload and download transfer rates. MaxPacketSize property default changed to 8192, which seems to be optimal in most cases. Added the following methods/properties: AccumulateBytes, AccumulateBuffer, ClearAccumulateBuffer. FTP2 Modes 4 and 5 added to SyncRemoteTree: mode 4 = transfer missing files or files with size […]

SMTP over HTTP Proxy

ASP: SMTP using HTTP Proxy SQL Server: SMTP using HTTP Proxy C#: SMTP using HTTP Proxy C++: SMTP using HTTP Proxy MFC: SMTP using HTTP Proxy C: SMTP using HTTP Proxy Delphi: SMTP using HTTP Proxy Visual FoxPro: SMTP using HTTP Proxy Java: SMTP using HTTP Proxy Perl: SMTP using HTTP Proxy PHP: SMTP using HTTP Proxy Python: SMTP using […]

POP3 over HTTP Proxy

ASP: POP3 using HTTP Proxy SQL Server: POP3 using HTTP Proxy C#: POP3 using HTTP Proxy C++: POP3 using HTTP Proxy MFC: POP3 using HTTP Proxy C: POP3 using HTTP Proxy Delphi: POP3 using HTTP Proxy Visual FoxPro: POP3 using HTTP Proxy Java: POP3 using HTTP Proxy Perl: POP3 using HTTP Proxy PHP: POP3 using HTTP Proxy Python: POP3 using […]

InitializeSftp – Received FAILURE response to subsystem request.

If the SSH server is setup/configured to not allow SFTP, or your SSH user account is not allowed to use SFTP, the InitializeSftp method will return a failed status. Here is an example: ChilkatLog: InitializeSftp: DllDate: Oct 30 2009 UnlockPrefix: ABC123 Username: chilkat Component: .NET 2.0 SshVersion: SSH-2.0-OpenSSH_4.5 SftpVersion: 0 channelType: session clientChannel: 200 initialWindowSize: 327680 maxPacketSize: 32768 Sent open […]

Mailman.VerifyRecipients — Caution.

Question: I started using MailMan.VerifyRecipients to periodically check bad email addresses and within one week of using the method the server was blacklisted. Is this something you have heard of? or just coincidence? Answer: I haven’t heard of this before — thanks for letting me know. I suspect the reason is that VerifyRecipients works by connecting to an SMTP server […]

Socket SendString (C++) w/ TCHAR

Question: I need to send a unicode string (e.g TCHAR *ptr) but the API only allows to send char. Answer: /* The _TCHAR data type is defined conditionally in Tchar.h. If the symbol _UNICODE is defined for your build, _TCHAR is defined as wchar_t; otherwise, for single-byte and MBCS builds, it is defined as char. */ bool sendString(CkSocket &sock, TCHAR […]