PHP. Руководство по PHP. 2005
imap_append
imap_append
Description
bool imap_append (resource imap_stream, string mbox, string message [, string options])imap_append() appends a string message to the specified mailbox mbox. If the optional options is specified, writes the options to that mailbox also.
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
When talking to the Cyrus IMAP server, you must use "\r\n" as your end-of-line terminator instead of "\n" or the operation will fail.
imap_alerts
imap_base64