[postfix-es] utilizan el metodo de local host para hacer Spam

[Iñaki Rodríguez]

Buenas,

recibir spam desde localhost nunca es una buena señal. Muy posiblemente
han comprometido tu servidor o alguna de las webs que alojas.

Saludos

Iñaki

El 04/10/2012 7:39, Hans Suruy escribió:
>
> Hola Compañeros tengo problema que me hacen spam en mi server y el
> problema es que utilizan  el localhost o el 127.0.0.1 para enviar el
> correo , podría alguien ayudarme a evitar eso
>
>  
>
> Les envio un segmento de mi main.cf
>
>  
>
> broken_sasl_auth_clients = yes
>
> smtpd_sasl_auth_enable = yes
>
> smtpd_sasl_security_options = noanonymous
>
> smtpd_sasl_local_domain = $mydomain
>
>  
>
> # Encryption with TLS
>
> # smtpd_tls_auth_only = yes
>
> smtpd_use_tls = yes
>
> smtpd_tls_cert_file = /etc/postfix/cert.pem
>
> smtpd_tls_key_file = /etc/postfix/key.pem
>
> smtpd_tls_loglevel = 1
>
>  
>
> # Mail restrictions (note: Kolab policies are not implemented)
>
> #smtpd_recipient_restrictions = permit_sasl_authenticated,
> permit_mynetworks, reject_unauth_destination, check_policy_service
> unix:/var/spool/postfix/postgrey/socket
>
> #kolabpolicy_time_limit = 3600
>
> # kolabpolicy_max_idle = 20
>
>  
>
> smtpd_recipient_restrictions = reject_invalid_hostname,
> reject_unknown_recipient_domain, reject_unauth_pipelining,
> permit_mynetworks, permit_sasl_authenticated, reject_unauth_d
>
> nation, reject_rbl_client multi.uribl.com, reject_rbl_client
> dsn.rfc-ignorant.org, reject_rbl_client dul.dnsbl.sorbs.net,
> reject_rbl_client sbl-xbl.spamhaus.org, reject_rbl_clibl.spamcop.net,
> reject_rbl_client dnsbl.sorbs.net, reject_rbl_client cbl.abuseat.org,
> reject_rbl_client ix.dnsbl.manitu.net, reject_rbl_client
> combined.rbl.msrbl.net, reject_rbient rabl.nuclearelephant.com,
> check_policy_service unix:/var/spool/postfix/postgrey/socket, 
> check_client_access hash:/etc/postfix/blacklist,  check_sender_access
> hash:/etc/postfix/blacklist,  permit
>
>  
>
>  
>
>  
>
> # Mail routing
>
> mailbox_transport = mailpostfilter
>
> content_filter = mailprefilter
>
> transport_maps = hash:/etc/postfix/transport
>
>  
>
> # Outbound SMTP authentication
>
> # smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
>
> # smtp_sasl_auth_enable = yes
>
> # smtp_sasl_security_options =
>
> unknown_local_recipient_reject_code = 550
>
> relay_domains = $mydestination, bcoinmob.com.gt
>
> # relay_domains = mail.bcoinmob.com.gt
>
> ##relayhost =
>
> local_recipient_maps = proxy:unix:passwd.byname $alias_maps
>
> relayhost =
>
>  
>
> smtpd_helo_required = yes
>
> disable_vrfy_command = yes
>
> strict_rfc821_envelopes = yes
>
> invalid_hostname_reject_code = 554
>
> multi_recipient_bounce_reject_code = 554
>
> non_fqdn_reject_code = 554
>
> relay_domains_reject_code = 554
>
> unknown_address_reject_code = 554
>
> unknown_client_reject_code = 554
>
> unknown_hostname_reject_code = 554
>
> unknown_local_recipient_reject_code = 554
>
> unknown_relay_recipient_reject_code = 554
>
> unknown_sender_reject_code = 554
>
> unknown_virtual_alias_reject_code = 554
>
> unknown_virtual_mailbox_reject_code = 554
>
> unverified_recipient_reject_code = 554
>
> unverified_sender_reject_code = 554
>
>  
>
> Descripción: picasso
>
>  
>
>
>
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