Punctuation signs in the middle of email address

Hi. I have a strange problem. Sometimes (5%), when I send an e-mail to the addres e.g. [EMAIL PROTECTED] my server responds: "failure notice" with comment (oryginal text): - Hi. This is the qmail-send program at [EMAIL PROTECTED] I'm afraid I wasn't able to deliver your

Again: Can't login to Qmailadmin webpage as postmaster

Hi, I have a problem with qmail, similar one was sent to the list, but I could not find the answer in the archives. Does anyone know what to do ? W. Problem is: "Hi all, I am running qmail-1.03+patches-12 on a RH6.2 system and have suddenly began to have a problem with the qmailadmin