http://www.postfix.org/header_checks.5.html
"Giedrius.V" <giedrius.vizbaras@gmail.com> wrote in message 
news:hdgnqh$bq$1@trimpas.omnitel.net...
> Sveiki,
> pasikuriau postfix ant Debian 5.02, viskas sukas,  bet turiu viena 
> klausimuka del antrasciu.
> Zodziu perduoda "tarnybiniame" turinyje isorinem sistemom daugiau nei 
> noreciau info. Noreciau kad neskelbtu vienos eilutes.
> Is ko siusta atrodo taip:
>
> Received: from xxxxx.xxxx.lt (unknown [213.197.129.86])
> by timmy2-lt.inbox.lt (Postfix) with ESMTP id A9211441C
> for <xxx.xxx@inbox.lt>; Thu, 12 Nov 2009 11:51:21 +0200 (EET)
> Received: from kompo_vardas (unknown [vidinis_IP])
> by xxxxx.xxxx.lt (Postfix) with SMTP id 509711D503
> Zodziu gal patarsit, kur cia ka keist, kad nebutu afisuojama eilute (4 nuo 
> virsaus): Received: from kompo_vardas (unknown [vidinis_IP])Nes matosi 
> vidinis IP ir kompiuterio vardas.Gal bent teisinga linkme nukreipsit, nes 
> neisikertu kaip cia ko ir ieskoti :)Giedrius
>