[postfix-es] Postfix muy restrictivo

Claudio Guzman cguzmana en gmail.com
Mie Jun 19 17:05:41 CEST 2013


Estimados, tengo este problema que mi servidor de correo esta muy
restrictivo y ahora están rebotando correo de clientes al parecer por que
tienen mal configuradas algunas opciones.

este es mi main.cf :
smtpd_helo_required          = yes
smtpd_helo_restrictions      = permit_mynetworks,
                               permit_sasl_authenticated,
                               reject_invalid_helo_hostname,
                               reject_non_fqdn_helo_hostname

smtpd_sender_restrictions    = reject_non_fqdn_sender,
                               reject_unknown_sender_domain,
                               permit_mynetworks,
                               permit_sasl_authenticated

smtpd_recipient_restrictions = reject_non_fqdn_recipient,
                               reject_unknown_recipient_domain,
                               permit_mynetworks,
                               permit_sasl_authenticated,
                               reject_unauth_destination,
                               reject_unlisted_recipient,
                               check_client_access
hash:/etc/postfix/policyd_whitelist,
                               check_policy_service inet:127.0.0.1:12525,
                               check_policy_service inet:127.0.0.1:10023,
                               permit

Y al parecer al tener problemas con el HELO, DNS esta rechazando la
recepción de estos

ejemplo de log:

Jun 18 17:56:41 mail postfix/smtp[28114]: 184B2126005F:
to=<cliente en emisordecorreo.com>,
relay=ASPMX.L.GOOGLE.com[74.125.140.26]:25, delay=4.6,
delays=0.06/0.06/3.1/1.4, dsn=2.0.0, status=sent (250 2.0.0 OK
1371592480 g4si3954948yhd.336 - gsmtp)
Jun 18 17:57:34 mail postfix/policyd-weight[25932]: weighted check:
NOT_IN_SBL_XBL_SPAMHAUS=-1.5 NOT_IN_SPAMCOP=-1.5 BL_NJABL=ERR(-1.5)
IN_IPv6_RBL=4.25 CL_IP_EQ_HELO_IP=-2 (check from: .emisordecorreo. -
helo: .mail-wg0-f52.google. - helo-domain: .google.)
FROM/MX_MATCHES_NOT_HELO(DOMAIN)=2.062
CLIENT_NOT_MX/A_FROM_DOMAIN=5.75 CLIENT/24_NOT_MX/A_FROM_DOMAIN=5.75;
<client=74.125.82.52> <helo=mail-wg0-f52.google.com>
<from=cliente en emisordecorreo.com>
<to=receptor en mi-servidor.correo.com1>; rate: 11.312
Jun 18 17:57:34 mail postfix/policyd-weight[25932]: decided action=550
Mail appeared to be SPAM or forged. Ask your Mail/DNS-Administrator to
correct HELO and DNS MX settings or to get removed from DNSBLs; please
relay via your ISP (emisordecorreo.com); <client=74.125.82.52>
<helo=mail-wg0-f52.google.com> <from=cliente en emisordecorreo.com>
<to=receptor en mi-servidor.correo.com>; delay: 7s
Jun 18 17:57:34 mail postfix/smtpd[28119]: NOQUEUE: reject: RCPT from
mail-wg0-f52.google.com[74.125.82.52]: 550 5.7.1
<receptor en mi-servidor.correo.com>: Recipient address rejected: Mail
appeared to be SPAM or forged. Ask your Mail/DNS-Administrator to
correct HELO and DNS MX settings or to get removed from DNSBLs; please
relay via your ISP (emisordecorreo.com);
from=<cliente en emisordecorreo.com> to=<receptor en mi-servidor.correo.com>
proto=ESMTP helo=<mail-wg0-f52.google.com>




-- 
Saludos cordiales
Claudio
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