- $oAddr->mailbox = substr($aAddr['email'], 0, $iPosAt);
- $oAddr->host = substr($aAddr['email'], $iPosAt+1);
+ if ($iPosAt === FALSE) {
+ $oAddr->mailbox = $aAddr['email'];
+ $oAddr->host = FALSE;
+ } else {
+ $oAddr->mailbox = substr($aAddr['email'], 0, $iPosAt);
+ $oAddr->host = substr($aAddr['email'], $iPosAt+1);
+ }