não seria o reverso?
pois quando solicito o reservo do seu ip ele aponta pra outro host.

gabr...@desktop:~$ host -t MX flynetwork.com.br
flynetwork.com.br mail is handled by 0 mail.flynetwork.com.br.

gabr...@desktop:~$ dig +short mail.flynetwork.com.br
187.7.1.131

gabr...@desktop:~$ nslookup 187.7.1.131
Server: 8.8.8.8
Address: 8.8.8.8#53

Non-authoritative answer:
131.1.7.187.in-addr.arpa name = *flynetwork.com.br.*
*
*
*/////////*
*
*
veja que o reservo do ip aponta para o *flynetwork.com.br *e não para *
mail.flynetwork.com.br*
*
*
será que não é isso?

Att,
*Gabriel Ricardo*
*MSN:* [email protected]
http://tinotapa.blogspot.com
http://twitter.com/gricardo87


2010/8/1 Joao Paulo - FLY <[email protected]>

> ola galera! tudo blz!
>
> seguinte, estou com problemas em saber qual o motivo dos emails que estou
> enviando irem direto pra caixa de SPAM do gmail, yahoo, hotmail ...
>
> Implementei domainkey e dim signature mas nao adiantou ..
>
> alguem sabe me dizer o que há de errado ou o motivo de irem direto pra
> spam? ou quais passos devo implementar ainda no mta ?
>
> segue abaixo um cabeçalho de um email enviado, e que caiu no spam:
>
> abraços
>
> From [email protected] Sun Aug 1 19:50:31 2010
> X-Apparently-To:                [email protected] via 98.138.85.197;
> Sun, 01 Aug
> 2010 12:50:36 -0700
> Return-Path:            <[email protected]>
> X-YahooFilteredBulk:            187.7.1.131
> Received-SPF:           pass (mta1208.mail.mud.yahoo.com: domain of
> [email protected] designates 187.7.1.131 as permitted sender)
> X-YMailISG:             U554VTgcZAoh3xDcqNAnPx0MOc.AnigkMGiH8PdXZgXSXxP_
> RLc9blQnsQ4pXI90BYkaHTTmv9U8h9adirWZBQWPIM3iJyLrpZa5N2Z1PFLI
> FFNpDRnA9VAGrY_ckcxfYGSkoGMR7cDQA2SRcjLJ7lv1CE8B3CQv7BfIe_V.
> ppbr_URWUoBVo0k6AC49JIbBNQVUe0N0F289DZw79aKmtBuy8swuQHF_tAyz
> AviScvEUgiHQquGcK6bvANmnrgEOTB1i63nZUBpE2cRVuxjhV9rwd0Sq7KJ_
> 4tZUBCAfcRZsjJH_6NsS2pMVnp3O7PKp12vEQkLCS9Cto6_YldtTa.NhGv94
> OjcvbBjhzLD.DXoGs71yH3SJmh5qE5kO44Kf_u5CDxEhVgywyrrp48Hs.FCr
> OEdCu_9YsSSj8xErh3RzaWEFx1GN6PU0eHfRyLp23Ml.Mv2DMNGQsZ1Q0U8z
> lC2DqvI847IcKnRUdz75yEq9bHVwHt0BWQ--
> X-Originating-IP:               [187.7.1.131]
> Authentication-Results:                 mta1208.mail.mud.yahoo.com
> from=flynetwork.com.br; domainkeys=pass (ok); from=flynetwork.com.br;
> dkim=pass (ok)
> Received:               from 127.0.0.1 (EHLO mail.flynetwork.com.br)
> (187.7.1.131) by
> mta1208.mail.mud.yahoo.com with SMTP; Sun, 01 Aug 2010 12:50:36 -0700
> Received:               from flynetwork.com.br (localhost [127.0.0.1]) by
> mail.flynetwork.com.br (Postfix) with ESMTP id C900E300DC9 for
> <[email protected]>; Sun, 1 Aug 2010 16:50:31 -0300 (BRT)
> DomainKey-Signature:            a=rsa-sha1; s=mail; d=flynetwork.com.br;
> c=simple;
> q=dns; b=O7IJ045IlaLTgKyTPoAKNDmhELO+2uUrrjGc3fTfduw3x2+KIGxWaTQti5EGC3w8Q
> vUij1QP9zOJ6nHt9bX8RnUSS4a2OzE73TqZxIG5wbhBrFcxqP4pFJFwXdlPDEMLeXCn
> fEDcZDusu6oDLHKigHN79VwEMKw0yV4p1Xed0WI=
> DKIM-Signature:                 v=1; a=rsa-sha256; c=simple/simple; d=
> flynetwork.com.br;
> s=mail; t=1280692231; bh=IZzGk5hdbwv1XsfTE2Dngp1hMDfBwbnO3RaSFfeDt+k=;
> h=Message-ID:Date:Subject:From:To:MIME-Version:Content-Type:
> Content-Transfer-Encoding;
> b=QiBiNJyeRSAq5EHwz+6c5uSJ1iZu17uXDc9e9Q86Sou7WuZxgHc7jb3gAsEl6Zf+h
> tK+wZ4y8DEV/6qMK+0+1qWi58MHXQeUVGWvwv23HL3WODKp5NbP/ewIDWbzJVRRkXE
> iZ/TcvpprH+jesmMNWYMfaiPOM1ZaihgWQU+/tiQ=
> Received:               from 200.180.100.67 (proxying for 127.0.0.1)
> (SquirrelMail
> authenticated user [email protected]) by flynetwork.com.br with
> HTTP; Sun, 1 Aug 2010 16:50:31 -0300
> Message-ID:
>                <
> [email protected]>
> Date:           Sun, 1 Aug 2010 16:50:31 -0300
> Subject:                teste
> From:           Este remetente é verificado pelo DomainKeys
> [email protected]
> Adicionar remetente à lista de contatos
> To:             [email protected]
> User-Agent:             SquirrelMail/1.4.20
> MIME-Version:           1.0
> Content-Type:           text/plain;charset=iso-8859-1
> Content-Transfer-Encoding:              8bit
> X-Priority:             3 (Normal)
> Importance:             Normal
> Content-Length:                 7
>
>
>
>
> _______________________________________________
> Postfix-BR mailing list
> [email protected]
> http://listas.softwarelivre.org/mailman/listinfo/postfix-br
>
_______________________________________________
Postfix-BR mailing list
[email protected]
http://listas.softwarelivre.org/mailman/listinfo/postfix-br

Responder a