[postfix-es] Double-bounce en POSTFIX

[Fernando Ramos Kuninjan]

Hola saludes, actualmente tengo configurado postfix 2.3.8, utilizando el
manual de workaround (postfix/dovecot/clamav/spamassing), recientemente he
tenido problemas en las colas de correo, les agradeceria mucho su ayuda ya
que realmente llevo dias dando vuelta con esto, les dejo aca las ferencias,
omito por razones obvias el dominio(mydomain.com) asi como la direccion IP
del server, de antemano muchas gracias.

DD59F2FFC1*     728 Fri Feb 13 08:29:56  double-bounce en mail.mydomain.com
                                         postmaster en mail.mydomain.com

84CA92FFC4*     720 Fri Feb 13 08:30:02  double-bounce en mail.mydomain.com
                                         postmaster en mail.mydomain.com

Esto me inunda la cola de correo, a tal punto que cuando envian un correo a
un usuario normal este se tarda en recibirlo. El contenido de estos mensajes
(pfqueue).

Message: 5817F30009    From..: MAILER-DAEMON en mail.mydomain.com(Mail Delivery
System) To....: postmaster en mail.mydomain.com(Postmaster)
       ││Subj..: Postfix SMTP server: errors from
mx1.fundes.org[196.40.59.42] ││Status: delivery temporarily suspended:
connect to mail.mydomain.com[IP-del-Servidor]: Connection timed out.


Salida del Comando egrep '(reject|error|warning|fatal|panic):'
/var/log/mail.log
### ################################################
Feb 13 06:27:45 mail postfix/smtpd[13820]: warning: connect to mysql server
127.0.0.1: Access denied for user 'root'@'localhost' (using password: YES)
Feb 13 06:27:45 mail postfix/smtpd[13820]: NOQUEUE: reject: RCPT from
col0-omc2-s5.col0.hotmail.com[65.55.34.79]: 451 4.3.0 <ez en mydomain.com>:
Temporary lookup failure; from=<ejercitodemujeres en hotmail.com> to=<
ez en mydomain.com> proto=ESMTP helo=<col0-omc2-s5.col0.hotmail.com>
Feb 13 06:27:50 mail postfix/smtpd[13820]: NOQUEUE: reject: RCPT from
bay0-omc1-s8.bay0.hotmail.com[65.54.246.80]: 451 4.3.0 <jsacaza en mydomain.com>:
Temporary lookup failure; from=<rommell86 en hotmail.com> to=<
jsacaza en mydomain.com> proto=ESMTP helo=<bay0-omc1-s8.bay0.hotmail.com>
Feb 13 06:28:11 mail postfix/smtpd[14313]: warning: connect to mysql server
127.0.0.1: Access denied for user 'root'@'localhost' (using password: YES)
Feb 13 06:28:11 mail postfix/smtpd[14313]: NOQUEUE: reject: RCPT from
snt0-omc4-s26.snt0.hotmail.com[65.55.90.229]: 451 4.3.0 <
echegoyengf en mydomain.com>: Temporary lookup failure; from=<
alexa83219 en hotmail.com> to=<echegoyengf en mydomain.com> proto=ESMTP helo=<
snt0-omc4-s26.snt0.hotmail.com>
##################################################

Salida del comando postconf -n
##################################################
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
content_filter = smtp-amavis:[127.0.0.1]:10024
inet_interfaces = all
inet_protocols = all
mailbox_size_limit = 0
message_size_limit = 30480000
mydestination = localhost
mydomain = mydomain.com
myhostname = mail.mydomain.com
mynetworks = 127.0.0.0/8 192.168.0.0/24
myorigin = /etc/mailname
receive_override_options = no_address_mappings
recipient_delimiter = +
relay_domains = IP DE MI SERVER
relayhost =
smtp_tls_session_cache_database = btree:${queue_directory}/smtp_scache
smtpd_banner = mail.mydomain.com with ESMTP
smtpd_recipient_restrictions = permit_mynetworks,
permit_sasl_authenticated,      reject_non_fqdn_recipient,
reject_non_fqdn_sender, reject_unknown_sender_domain,
reject_unknown_recipient_domain,        reject_non_fqdn_hostname,
reject_invalid_hostname,        reject_unauth_destination,
reject_rhsbl_sender dsn.rfc-ignorant.org reject_rbl_client
sbl-xbl.spamhaus.org  reject_unverified_sender        permit
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sasl_path = private/auth
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = hash:/etc/postfix/access,
reject_unknown_sender_domain,   permit_mynetworks,
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${queue_directory}/smtpd_scache
smtpd_use_tls = yes
transport_maps = mysql:/etc/postfix/mysql/virtual_lists_transport.cf
unknown_local_recipient_reject_code = 550
virtual_alias_maps = mysql:/etc/postfix/mysql/virtual_alias_maps.cf,
mysql:/etc/postfix/mysql/virtual_redirect_maps.cf, mysql:/etc/postfix/mysql/
email2email.cf
virtual_gid_maps = static:5000
virtual_mailbox_base = /home/vmail/
virtual_mailbox_domains = mysql:/etc/postfix/mysql/
virtual_mailbox_domains.cf
virtual_mailbox_maps = mysql:/etc/postfix/mysql/virtual_mailbox_maps.cf
virtual_transport = dovecot
virtual_uid_maps = static:5000
##############################################################

Gracias.
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