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Transfer / migrate messages between two IMAP/POP e-mail accounts

/ Published in: PHP
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  1. <?php 
  2.  
  3. /*
  4.  	mig - a command line PHP tool for transfering emails from one host to another.
  5.  
  6. 	Created by Kaspars Dambis 
  7. 	http://konstruktors.com
  8. 	kaspars@konstruktors.com
  9. */
  10.  
  11. function m_connect() {
  12. 	global $msrc, $mdst;
  13.  
  14. 	// FROM
  15. 	$msrc = imap_open(
  16. 		'{mail.example.lv:143/imap/novalidate-cert}', // host
  17. 		'user@example.lv', // username
  18. 		'pass123') // password
  19. 		or die("Can't connect: " . imap_last_error());
  20.  
  21. 	// TO
  22. 	$mdst = imap_open(
  23. 		'{imap.gmail.com:993/imap/ssl/novalidate-cert}', // host
  24. 		'username@gmail.com', // username
  25. 		'pass123') // password
  26. 		or die("can't connect: " . imap_last_error());
  27. }
  28.  
  29. // Go!
  30. m_connect();
  31.  
  32. $start = 1;
  33. $end = 1;
  34.  
  35. // Find the last message transfered
  36. if ($dst_status = imap_check($mdst)) {
  37. 	$start = $dst_status->Nmsgs;
  38. }
  39.  
  40. // Check how many messages are the source.
  41. if ($src_status = imap_check($msrc)) {
  42. 	$end = $src_status->Nmsgs;
  43. }
  44.  
  45. echo "Getting destination mailbox address...\n";
  46. $to_box = imap_mailboxmsginfo($mdst)->Mailbox;
  47.  
  48. echo "Started! - start: $start / end: $end";
  49.  
  50. for ($i = $start; $i <= $end; $i++) {
  51. 	// Check if we are still connected
  52. 	if (($i - $start) % 5 == 0) {
  53. 		if (!imap_ping($msrc) || !imap_ping($mdst)) {
  54. 			echo "\n\n Connection lost! Trying to reconnect ...\n\n";
  55. 			m_connect();
  56. 		} else {
  57. 			echo "\n\n Connection OK! \n\n";
  58. 		}
  59. 	}
  60.  
  61. 	// Check if message doesn't exist at the destination	
  62. 	if ($message = imap_fetchbody($msrc, $i, null)) {
  63. 		if ($m = imap_headerinfo($msrc, $i)) {
  64. 			echo "\n" . $i . " / $end" . "\n from: " . $m->fromaddress . "\n to: " . $m->toaddress . "\n subject: " . $m->subject . "\n size: " . format_size($m->Size) . "\n date: " . $m->date . "\n\n";
  65. 			imap_append($mdst, $to_box, $message);
  66. 		}
  67. 	}
  68. }
  69.  
  70. echo "Ended!\n";
  71.  
  72. imap_close($msrc);
  73. imap_close($mdst);
  74.  
  75. function format_size($size) {
  76.       $sizes = array(" Bytes", " KB", " MB", " GB", " TB", " PB", " EB", " ZB", " YB");
  77.       if ($size == 0) { return('n/a'); } else {
  78.       return (round($size/pow(1024, ($i = floor(log($size, 1024)))), $i > 1 ? 2 : 0) . $sizes[$i]); }
  79. }
  80.  
  81. ?>

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