使用phpmailer发送邮件不要转到“已发送”IMAP文件夹

in my CRM online system I control ingoing mails with IMAP protocol. Now I'm making sending mails with phpmailer and SMTP protocol. Everything is ok but I have one wierd thing. How to make sent with phpmailer script mails go to "Sent" IMAP folder?in my CRM online system I control ingoing mails