Chilkat v11.5.0 Release Notes

Pinned June 2, 2026

  ✨ New Features HttpCurl A new Chilkat class has been added: HttpCurl The Chilkat.HttpCurl class executes curl commands and can automatically resolve dependent values needed by a request. Variables such as {{access_token}}, {{site_id}}, or {{drive_id}} may appear in URLs, headers, query parameters, or request bodies. If a variable is not yet known, HttpCurl builds […]

Chilkat v11.4.0 Release Notes

Pinned April 1, 2026

  ✨ New Features Js A new Chilkat class has been added: Js is a minimal, standards-compliant JavaScript engine designed to embed JavaScript inside applications with very small footprint and fast startup. It executes JavaScript code inside an application without requiring a browser or large runtime. See About the Chilkat.Js JavaScript Engine Ai Provider — […]

Format of AES, Blowfish, Twofish, 3DES, etc. Symmetric Encrypted Data?

November 8, 2011 in Uncategorized

Question: I know it isn’t listed in the documentation, but is there any method to test whether a file has been previously encrypted or not?  I would like to perform decryption on a file, but only if it is already encrypted. Answer: A symmetric encryption algorithm is simply a transformation of bytes such that the […]

Java System.loadLibrary w/ GlassFish application server

October 24, 2011 in Uncategorized

** The following is a helpful note from a Chilkat customer using the Chilkat Java API in a GlassFish environment: FYI I managed to solve the problem. The following is what I did (in case you may want to help others with a similar need in future) to enable the RSA component to run within […]

XCode Linker will automatically choose dylib over static libs

October 24, 2011 in Uncategorized

A note about building (linking) a project in XCode: If a static lib’s corresponding dylib is in a library search path during linking, Xcode will link to the dylib instead of the static lib. The solution is to move the dylib somewhere else. (from a Chilkat customer) “I created chilkat-9.2.1-macosx-10.5/lib/dylib and moved the dylibs into […]

Common IOS undefined symbols error

October 24, 2011 in Uncategorized

Link Error: Undefined symbols for architecture i386: “operator new(unsigned long)”, referenced from: -[CkoMailMan init] in libchilkatIos.a(CkoMailMan.o) “operator delete(void*)”, referenced from: -[CkoMailMan init] in libchilkatIos.a(CkoMailMan.o) Solution: The Chilkat internals are written in C++. Therefore, your Objective-C application will need to link against the C++ runtime libraries. The easiest way to do it is to include an […]

FTP Directory Synchronization and Removing Files

August 26, 2011 in Uncategorized

Chilkat FTP2 provides methods for synchronizing a local directory tree with a remote directory tree — in both directions.  The SyncLocalTree method downloads files from the remote tree to the local tree, and SyncRemoteTree uploads files from the local tree to the remote tree.  Both have a number of different “modes” that determine which files […]

IMAP: Sequence numbers change when deleting (but not UID’s)

August 15, 2011 in Uncategorized

Question: When using IMAP and fetching emails by sequence, does looping through the sequence get affected by deleting in mid-sequence or other changes to the mailbox’s content on the server? Answer: The answer is obtained by examining the IMAP specification (RFC 3501).  Here’s what it says: 2.3.1.2. Message Sequence Number Message Attribute A relative position […]

Chilkat 9.2.1 Release Notes

August 11, 2011 in Uncategorized

(SFTP) Performance improvements for file downloads. (MailMan ) Added the IsSmtpConnected boolean property. (Socket, Java build only) Fixed problem with BindAndListen. (FTP2) Added GetSizeByName64 and GetSize64 methods for C++ and .NET builds. (Email  object) Fixed AspUnpack2 method. (HTTP) Fixed so that HTTP will neither save nor send expired cookies. (HTTP) Fixed so that HTTP will […]

Installing Chilkat SMTPQ on Windows 7 64-bit

June 24, 2011 in Uncategorized

To install the Chilkat SMTPQ Service on Windows 64-bit: Download Chilkat SMTPQ 64-bit and save to any directory. Run the ChilkatSmtpQ_x64.msi. On the “Select Installation Folder” dialog, do not select the default install folder.  Instead, choose a simpler, shorter path such as “C:\smtpq\”.   Also, install for “Everyone”. Open Windows Explorer and navigate to c:\smtpq. Right-click […]

How to Import a Perl Module

June 22, 2011 in Uncategorized

(reproduced from http://perldoc.perl.org/Exporter.html#How-to-Import) … In other files which wish to use your module there are three basic ways for them to load your module and import its symbols: use YourModule; This imports all the symbols from YourModule’s @EXPORT into the namespace of the use statement. use YourModule (); This causes perl to load your module […]

Example: How to Create an Email DSN (Delivery Status Notification)

June 21, 2011 in Uncategorized

ASP: Create DSN (Delivery Status Notification) Email SQL Server: Create DSN (Delivery Status Notification) Email C#: Create DSN (Delivery Status Notification) Email C++: Create DSN (Delivery Status Notification) Email Objective-C: Create DSN (Delivery Status Notification) Email IOS: Create DSN (Delivery Status Notification) Email PowerShell: Create DSN (Delivery Status Notification) Email MFC: Create DSN (Delivery Status […]