Envoi de courrier électronique à l'intérieur d'un conteneur Docker pour accueillir SMTP Postfix
Sur un serveur I exécuté les deux Docker images et un serveur SMTP postfix. Le serveur SMTP est accessible via localhost et est pas installé dans n'importe quel type de conteneur.
Le problème est que je peux envoyer un courrier électronique via le terminal à l'aide de Sendemail à l'extérieur de tout conteneur, mais je ne peux pas envoyer de courrier électronique via le terminal exécutant Sendemail à l'intérieur de tout conteneur.
La configuration postfix est la suivante:
# See /usr/share/postfix/main.cf.dist for a commented, more complete version
# Debian specific: Specifying a file name will cause the first
# line of that file to be used as the name. The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
# TLS parameters
smtpd_tls_cert_file=/etc/letsencrypt/live/ellak.org/fullchain.pem
smtpd_tls_key_file= /etc/letsencrypt/live/ellak.org/privkey.pem
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = guest8.ellak.gr
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = mail.ellak.org, guest8.ellak.gr, localhost.ellak.gr, localhost
#Virtual alias domains
virtual_alias_domains = ellak.org
# RELAY Options
relayhost = [mail1.ellak.gr]:587
smtp_sasl_auth_enable = yes
smtp_sasl_security_options = noanonymous
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_use_tls = yes
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
local_recipient_maps = proxy:unix:passwd.byname $alias_maps
smtp_tls_note_starttls_offer = yes
#Network Access Options
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 172.17.0.0/16
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
relay_domains = *
À l'intérieur du conteneur, je cours:
sendemail -S 172.17.0.1:25 -F [email protected] -t [email protected] -u Bonjour -m Bonjour
Et génère l'erreur suivante:
Nov 27 19:51:14 7e56b4e22e09 sendemail[1988]: WARNING => The recipient <[email protected]> was rejected by the mail server, error follows:
Nov 27 19:51:14 7e56b4e22e09 sendemail[1988]: WARNING => Received: 454 4.7.1 <[email protected]>: Relay access denied
Nov 27 19:51:14 7e56b4e22e09 sendemail[1988]: ERROR => Exiting. No recipients were accepted for delivery by the mail server.
Sur les journaux postfix, je reçois sont:
Nov 27 21:42:54 guest8 postfix/smtpd[14979]: NOQUEUE: reject: RCPT from unknown[172.18.0.5]: 454 4.7.1 <[email protected]>: Relay access denied; from=<[email protected]> to=<[email protected]> proto=ESMTP helo=<7e56b4e22e09>
Nov 27 21:42:54 guest8 postfix/smtpd[14979]: lost connection after RCPT from unknown[172.18.0.5]
Nov 27 21:42:54 guest8 postfix/smtpd[14979]: disconnect from unknown[172.18.0.5]
Nov 27 21:46:14 guest8 postfix/anvil[14982]: statistics: max connection rate 2/60s for (smtp:172.18.0.5) at Nov 27 21:42:54
Nov 27 21:46:14 guest8 postfix/anvil[14982]: statistics: max connection count 1 for (smtp:172.18.0.5) at Nov 27 21:42:41
Nov 27 21:46:14 guest8 postfix/anvil[14982]: statistics: max cache size 1 at Nov 27 21:42:41
Avez-vous une sorte d'idée de savoir comment j'enverrai des courriels à l'intérieur des conteneurs Docker?
172.18.0.5 n'est pas inclus dans mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 172.17.0.0/16
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 172.16.0.0/12
cela inclut tous les sous-rénés privés de 172,16.