Dart

Fetch an IMAP Message as MIME Text

Demonstrates the Chilkat Imap.FetchSingleAsMime method, which downloads one message and returns its MIME source as a string. If the second argument (bUid) is true, the first argument is a UID; otherwise it is a sequence number. This example fetches message 1's raw MIME.

Background: Sometimes you want the message exactly as it exists on the server — the raw MIME — rather than a parsed Email object. That is what you save to a .eml file, feed to another parser, or archive verbatim. This method returns the MIME as text; for messages that may contain binary data, the BinData variant FetchSingleBd preserves the exact bytes.

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Dart

import 'package:chilkat/chilkat.dart';

void main() {
  // Demonstrates the Imap.FetchSingleAsMime method, which downloads one message and returns
  // its MIME source as a string.  If the 2nd argument (bUid) is true, the 1st argument is a
  // UID; otherwise it is a sequence number.

  final imap = CkImap();

  imap.ssl = true;
  imap.port = 993;

  try {
    imap.connect('imap.example.com');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  try {
    imap.login('user@example.com', 'myPassword');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  try {
    imap.selectMailbox('Inbox');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // Download message sequence number 1 and return its raw MIME.  bUid = false.
  final String mime;
  try {
    mime = imap.fetchSingleAsMime(1, false);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  print(mime);

  try {
    imap.disconnect();
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }
}