POSTFIX: Sender address rejected: Domain not found (in reply to MAIL FROM command)

Question

My mail server not recognize $mydestination, why?

sproxy:/var/spool/mail # tail -f /var/log/mail | grep vinicius.lehmann
Oct  6 11:13:21 sproxy amavis[31008]: (31008-17) Passed CLEAN {RelayedInternal}, MYNETS LOCAL [192.168.0.125]:57464 [192.168.0.125] <[email protected]> -> <[email protected]>, Queue-ID: D9C3F29BA4, Message-ID: <[email protected]>, mail_id: 9fhyBbjNt7nl, Hits: -2.899, size: 638, queued_as: 13D0E29BC8, 2604 ms
Oct  6 11:13:21 sproxy postfix/smtp[31091]: D9C3F29BA4: to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=2.7, delays=0.04/0/0/2.6, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as 13D0E29BC8)
Oct  6 11:13:23 sproxy postfix/smtp[31032]: 13D0E29BC8: to=<[email protected]>, relay=smtp.terra.com.br[208.84.244.140]:25, delay=1.5, delays=0.45/0/0.91/0.15, dsn=4.1.8, status=deferred (host smtp.terra.com.br[208.84.244.140] said: 450 4.1.8 <[email protected]>: Sender address rejected: Domain not found (in reply to MAIL FROM command))

But few address are sending and receiving

sproxy:/var/spool/mail # tail -f /var/log/mail | grep alvaro
Oct  6 11:16:01 sproxy amavis[31674]: (31674-15) Passed CLEAN {RelayedInternal}, MYNETS LOCAL [192.168.0.125]:57498 [192.168.0.125] <[email protected]> -> <[email protected]>, Queue-ID: 2697B29BC2, Message-ID: <[email protected]>, mail_id: nee-tFeqs5fk, Hits: -2.9, size: 625, queued_as: A7B9B29BCA, 2785 ms
Oct  6 11:16:01 sproxy postfix/smtp[31866]: 2697B29BC2: to=<[email protected]>, orig_to=<[email protected]>, relay=127.0.0.1[127.0.0.1]:10024, delay=4.1, delays=1.2/0.11/0/2.8, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10025): 250 2.0.0 Ok: queued as A7B9B29BCA)
Oct  6 11:16:01 sproxy postfix/local[31356]: A7B9B29BCA: to=<[email protected]>, relay=local, delay=1.6, delays=1.6/0/0/0.04, dsn=2.0.0, status=sent (delivered to mailbox)
Oct  6 11:16:06 sproxy popper[32156]: Stats: alvarocassini 0 0 167 5730100 187.85.83.226 187.85.83.226 [pop_updt.c:301]
Oct  6 11:17:00 sproxy popper[32255]: Stats: alvarocassini 0 0 167 5730112 187.85.83.226 187.85.83.226 [pop_updt.c:301]
Oct  6 11:17:22 sproxy popper[32306]: Stats: alvarocassini 0 0 167 5730112 187.85.83.226 187.85.83.226 [pop_updt.c:301]

sproxy:/var/spool/mail # dig salessupermercados.com.br

; <<>> DiG 9.8.4-P2 <<>> salessupermercados.com.br
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62144
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;salessupermercados.com.br.     IN      A

;; ANSWER SECTION:
salessupermercados.com.br. 57934 IN     A       216.70.89.60

;; AUTHORITY SECTION:
salessupermercados.com.br. 57934 IN     NS      ns3.terraempresas.com.br.
salessupermercados.com.br. 57934 IN     NS      ns2.terraempresas.com.br.

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct  6 11:26:59 2015
;; MSG SIZE  rcvd: 109

sproxy:/var/spool/mail # dig salessupermercados.com.br MX

; <<>> DiG 9.8.4-P2 <<>> salessupermercados.com.br MX
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35366
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0

;; QUESTION SECTION:
;salessupermercados.com.br.     IN      MX

;; ANSWER SECTION:
salessupermercados.com.br. 57927 IN     MX      5 mx.terraempresas.com.br.

;; AUTHORITY SECTION:
salessupermercados.com.br. 57927 IN     NS      ns2.terraempresas.com.br.
salessupermercados.com.br. 57927 IN     NS      ns3.terraempresas.com.br.

;; Query time: 67 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue Oct  6 11:27:06 2015
;; MSG SIZE  rcvd: 112

Configuration postfix/main.cf

content_filter = smtp-amavis:[127.0.0.1]:10024
myhostname = sproxy.sales.intra
inet_interfaces = all
inet_protocols = all
biff = no

delay_warning_time = 1h
disable_dns_lookups = no
disable_mime_output_conversion = no
masquerade_classes = envelope_sender, header_sender, header_recipient
masquerade_domains = sales.intra
#masquerade_domains = salessupermercados.com.br
masquerade_exceptions = root
mydestination = $myhostname, localhost.$mydomain, salesssupermercados.com.br, sales.intra
mynetworks_style = subnet
relayhost = smtp.terra.com.br

alias_maps = hash:/etc/aliases
canonical_maps = hash:/etc/postfix/canonical
relocated_maps = hash:/etc/postfix/relocated
sender_canonical_maps = hash:/etc/postfix/sender_canonical
transport_maps = hash:/etc/postfix/transport
mail_spool_directory = /var/mail
message_strip_characters = \0
defer_transports =
mailbox_command =
mailbox_transport =
mailbox_size_limit = 0
#message_size_limit = 10240000
message_size_limit = 51200000
strict_8bitmime = no
strict_rfc821_envelopes = no

smtpd_helo_required = no
smtpd_helo_restrictions =

smtpd_client_restrictions =

smtpd_sender_restrictions = hash:/etc/postfix/access

smtpd_recipient_restrictions = permit_sasl_authenticated, reject_unauth_destination


############################################################
# SASL stuff
############################################################
broken_sasl_auth_clients = yes
smtp_sasl_auth_enable = yes
smtp_sasl_security_options = noanonymous
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
############################################################
# TLS stuff
############################################################
#tls_append_default_CA = no
relay_clientcerts =
#tls_random_source = dev:/dev/urandom

smtp_use_tls = no
#smtp_tls_loglevel = 0
smtp_enforce_tls = no
smtp_tls_CAfile =
smtp_tls_CApath =
smtp_tls_cert_file =
smtp_tls_key_file =
#smtp_tls_session_cache_timeout = 3600s
smtp_tls_session_cache_database =

smtpd_use_tls = no
#smtpd_tls_loglevel = 0
smtpd_tls_CAfile =
smtpd_tls_CApath =
smtpd_tls_cert_file =
smtpd_tls_key_file =
smtpd_tls_ask_ccert = no
smtpd_tls_received_header = no

Solution

The error message you got back from the remote mail server was:

host smtp.terra.com.br[208.84.244.140] said: 450 4.1.8 : Sender address rejected: Domain not found (in reply to MAIL FROM command)

This means that the FROM address was rejected by them because a DNS lookup on that domain failed.

The domain in question is sales.intra which doesn't seem to be resolving on any DNS server I can find.

To make this work you will either need to make sales.intra resolve in public DNS or change the FROM address to something that does resolve.

The email that worked was delivered locally rather than to a remote server. Your local server does not check the FROM address for a valid, working domain so it continued processing the email.

Comments

[viniciuslehmann]

But how it is configured in the variable $mydestination the salessupermercados.com.br domain, the local server should not accept email him rather than sending to the external server ?