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(Unicode C) Force Quoted-Printable Encoding for EmailDemonstrates how to force the quoted-printable encoding for email.
#include <C_CkEmailW.h> #include <C_CkMailManW.h> void ChilkatSample(void) { BOOL success; HCkEmailW email; HCkMailManW mailman; email = CkEmailW_Create(); CkEmailW_putSubject(email,L"test"); CkEmailW_putFrom(email,L"bob@example.com"); CkEmailW_AddTo(email,L"Mary",L"mary@example.com"); // Add plain-text and HTML alternative bodies. // Include some "=" chars so we can see the quoted-printable encoding when used.. CkEmailW_AddPlainTextAlternativeBody(email,L"This is a test == Hello World!"); CkEmailW_AddHtmlAlternativeBody(email,L"<html><body>This is a test == Hello World!</body></html>"); // Examine the MIME of the email to see that it does not use quoted-printable. // (If the email contained non-usascii chars, it would automatically use quoted-printable.) mailman = CkMailManW_Create(); wprintf(L"%s\n",CkMailManW_renderToMime(mailman,email)); // Here is the MIME before forcing quoted-printable. // Notice the Content-Transfer-Encoding is "7bit" (not "quoted-printable") // MIME-Version: 1.0 // Date: Tue, 29 Sep 2020 12:26:52 -0500 // Message-ID: <CF274FC0A2F82B98A05B7507DF7DFB966A2C0EB8@CHILKATSLICE> // Content-Type: multipart/alternative; // boundary="------------080901080902080000030208" // X-Priority: 3 (Normal) // Subject: test // From: bob@example.com // To: Mary <mary@example.com> // // --------------080901080902080000030208 // Content-Transfer-Encoding: 7bit // Content-Type: text/plain; charset=us-ascii; format=flowed // // This is a test == Hello World! // --------------080901080902080000030208 // Content-Transfer-Encoding: 7bit // Content-Type: text/html; charset=us-ascii // // <html><body>This is a test == Hello World!</body></html> // --------------080901080902080000030208-- wprintf(L"----\n"); // To force quoted-printable, set the Content-Transfer-Encoding header. // It will automatically propagate as needed to the MIME sub-parts. CkEmailW_AddHeaderField(email,L"Content-Transfer-Encoding",L"quoted-printable"); wprintf(L"%s\n",CkMailManW_renderToMime(mailman,email)); // MIME-Version: 1.0 // Date: Tue, 29 Sep 2020 12:26:52 -0500 // Message-ID: <F36B276E3A720FE5111D15CE9142C8909E1F5AB9@CHILKATSLICE> // Content-Type: multipart/alternative; // boundary="------------080901080902080000030208" // X-Priority: 3 (Normal) // Subject: test // From: bob@example.com // To: Mary <mary@example.com> // // --------------080901080902080000030208 // Content-Transfer-Encoding: quoted-printable // Content-Type: text/plain; charset=us-ascii; format=flowed // // This is a test =3D=3D Hello World! // --------------080901080902080000030208 // Content-Transfer-Encoding: quoted-printable // Content-Type: text/html; charset=us-ascii // // <html><body>This is a test =3D=3D Hello World!</body></html> // --------------080901080902080000030208-- CkEmailW_Dispose(email); CkMailManW_Dispose(mailman); } |
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