You came here probably after seeing a mail of yours being rejected with a message like this:
The mail server generating this error message is using a system called Greylisting to filter spam and viruses. It relies on Mail Servers behaving according to the standards and usually doesn't require any action by the user. Your mails should only possibly be delayed.
See Wikipedia for a description about how Greylisting works.
Please contact allways your Administrator.
By the URL (web address) that you used, it can be deducted that you had problems when sending a mail to <somebody@=please-remove=datevnet.de>.
The Domain datevnet.de belongs DATEV
or is hosted by us as Part of our product DATEVnet.
You may send us the full errormessage and the time to<postmaster@=please-remove=datev.de>.
Send a copy to <postmaster@=please-remove=datevnet.de> for information.
But:
Do not ask for simply whithelisting your ip.
adresses shown here are obscured and should not be shown to you as long as your browser supports css.
simply remove "=please-remove=" !
Thanks.