problem with recive mail from gmx

[Alex Broens]

On 8/30/2006 2:17 PM, Dörfler Andreas wrote:
> hi there,
> 
> since nearly 1 month i get the folling errors from GMX senders:
> 
> g 30 07:30:51 srv sendmail-in[21651]: k7U5UpY6021651: collect: premature EOM: Connection reset by mail.gmx.de
> Aug 30 07:30:51 srv sendmail-in[21651]: k7U5UpY6021651: SYSERR(root): collect: I/O error on connection from mail.gmx.de, from=<R E M O V E D 02050807 at gmx.de>
> Aug 30 07:47:38 srv sendmail-in[22449]: k7U5lbxl022449: collect: premature EOM: Connection reset by mail.gmx.de
> Aug 30 07:47:38 srv sendmail-in[22449]: k7U5lbxl022449: SYSERR(root): collect: I/O error on connection from mail.gmx.de, from=<R E M O V E D 02050807 at gmx.de>
> Aug 30 07:58:04 srv sendmail-in[23060]: k7U5w3bk023060: collect: premature EOM: Connection reset by mail.gmx.net
> Aug 30 07:58:04 srv sendmail-in[23060]: k7U5w3bk023060: SYSERR(root): collect: I/O error on connection from mail.gmx.net, from=<R E M O V E D 02050807 at gmx.de>
> 
> i get theses errors not from all gmx senders, only from a few, but this few always the same, so they cant send
> mails to us.
> 
> i got some funny contact with gmx first level support, told me thats
> an dns (reverse dns check) error but fact is: its NOT a dns error.
> first lvl support ....
> 
> at the moment i have no idea what i can do because:
> 
> - its only a gmx problem
> - its only from a few gmx senders, not all
> - when i try to send to gmx accounts everthing fine
> - gmx support cant/wont help me
> 
> any ideas ?

some milter? greylisting thingy? spf mule?

Alex