Zig

Append a MIME Message to an IMAP Mailbox

Demonstrates the Chilkat Imap.AppendMime method, which uploads a complete RFC 822/MIME message to a mailbox. The first argument is the destination mailbox name and the second is the MIME text. This example obtains the MIME from an Email object and uploads it to Drafts.

Background: Use AppendMime when you already hold a message's raw source — a .eml file, a message you assembled, or one you received. Chilkat sends the text exactly as supplied, without normalizing line endings or re-encoding headers, so every header and MIME boundary is preserved verbatim. The supplied text must be plain text (no raw non-text binary bytes).

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const std = @import("std");
const chilkat = @import("chilkat");

pub fn main(init: std.process.Init) !void {
    const alloc = init.arena.allocator();

    // Demonstrates the Imap.AppendMime method, which uploads a complete MIME message to a mailbox.
    // The 1st argument is the destination mailbox name and the 2nd is the MIME text.

    const imap = try chilkat.Imap.init();
    defer imap.deinit();

    imap.setSsl(true);
    imap.setPort(993);

    imap.connect("imap.example.com") catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    imap.login("user@example.com", "myPassword") catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    // Build the email to be uploaded.
    const email = try chilkat.Email.init();
    defer email.deinit();
    email.setSubject("Meeting agenda");
    email.setFrom("Alice <alice@example.com>");
    try email.addTo("Bob", "bob@example.com");
    email.setBody("Let's meet at 10am to review the agenda.");

    // Obtain the MIME text to upload.  Here it is generated from the Email, but it could equally
    // be read from a .eml file.
    const mime_text = email.getMime(alloc) catch {
        std.debug.print("{s}\n", .{try email.getLastErrorText(alloc)});
        return;
    };

    // Append (upload) the MIME to the "Drafts" mailbox.
    imap.appendMime("Drafts", mime_text) catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("Appended UID: {d}\n", .{imap.getAppendUid()});

    imap.disconnect() catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };
}