Zig

Expunge Deleted Messages from a Mailbox

Demonstrates the Chilkat Imap.Expunge method, which permanently removes all messages marked with the \Deleted flag from the currently selected mailbox. The mailbox remains selected. This example marks a message deleted with SetFlag and then expunges.

Background: IMAP deletion is two-phase, much like POP3. First a message is marked with the \Deleted flag (it still exists, just tagged); then EXPUNGE permanently removes every flagged message and renumbers the rest. Splitting the two steps lets a client mark several messages and remove them together, or unmark (undelete) before committing. Expunge keeps the mailbox selected; ExpungeAndClose does the same and then closes it.

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Zig

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

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

    // Demonstrates the Imap.Expunge method, which permanently removes all messages marked with
    // the \Deleted flag from the currently selected mailbox.  The mailbox remains selected.

    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;
    };

    // Select the mailbox to operate on.
    imap.selectMailbox("Inbox") catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    // Mark message (sequence number 1) with the \Deleted flag.  The 4th argument (1) sets the
    // flag; the 2nd argument (false) means the id is a sequence number, not a UID.
    imap.setFlag(1, false, "\\Deleted", 1) catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    // Permanently remove all \Deleted messages from the selected mailbox.
    imap.expunge() catch {
        std.debug.print("{s}\n", .{try imap.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("Expunged the deleted messages.\n", .{});

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