Zig

Send a Raw POP3 Command

Demonstrates the Chilkat MailMan.Pop3SendRawCommand method, which sends a raw command to the POP3 server and returns the server's response. The second argument specifies the charset to use if the command contains non-US-ASCII characters. This example sends the POP3 STAT command within an open session.

Background: POP3 is a simple line-based text protocol — the client sends short commands like STAT, LIST, UIDL, or RETR and the server replies with +OK or -ERR. This method is an escape hatch for issuing a command Chilkat doesn't wrap directly, or a server-specific extension. Note that the session must already be open, since a raw command assumes an authenticated connection.

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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 MailMan.Pop3SendRawCommand method, which sends a raw command to the POP3
    // server and returns the server's response.  The second argument is the charset used if the
    // command contains non-US-ASCII characters.

    const mailman = try chilkat.MailMan.init();
    defer mailman.deinit();

    // Configure the POP3 server connection.
    mailman.setMailHost("pop.example.com");
    mailman.setMailPort(995);
    mailman.setPopSsl(true);
    mailman.setPopUsername("user@example.com");
    mailman.setPopPassword("myPassword");

    mailman.pop3BeginSession() catch {
        std.debug.print("{s}\n", .{try mailman.getLastErrorText(alloc)});
        return;
    };

    // Send the raw POP3 STAT command, which returns the message count and maildrop size.
    const response = mailman.pop3SendRawCommand(alloc, "STAT", "us-ascii") catch {
        std.debug.print("{s}\n", .{try mailman.getLastErrorText(alloc)});
        return;
    };

    std.debug.print("STAT response: {s}\n", .{response});

    mailman.pop3EndSession() catch {
        std.debug.print("{s}\n", .{try mailman.getLastErrorText(alloc)});
        return;
    };
}