Linux Postfix-本地主机的邮件循环回我自己

我在ubuntu下有一个服务器，我想安装postfix+roundcube+dovecot。 这样做没有太多麻烦，最终一切正常。 然而，我面临着一个互联网尚未解决的错误，所以我来问你是否有解决我问题的方法

下面是我用来实时调试的命令

tail -f /var/log/dovecot* /var/log/mail.log

当您收到电子邮件时，下面是显示的日志（信息替换为------）

以下是文件的内容/etc/postfix/main.cf

# GENERAL SETTINGS
smtpd_banner = $myhostname ESMTP $mail_name
biff = no
append_dot_mydomain = no
readme_directory = no
# SMTP SETTINGS
smtp_use_tls=yes
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
# SMTPD SETTINGS
smtpd_use_tls=yes
smtpd_tls_security_level = may
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_cert_file=/etc/letsencrypt/live/mail.-----/fullchain.pem
smtpd_tls_key_file=/etc/letsencrypt/live/mail.-----/privkey.pem
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated,  reject_unauth_destination
# SASL SETTINGS
relay_domains = localhost.local
transport_maps = hash:/etc/postfix/transport
smtpd_sasl_auth_enable = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
# VIRTUAL MAIL BOX AND LMTP SETTINGS
virtual_transport = lmtp:unix:private/dovecot-lmtp
#virtual_mailbox_domains = /etc/postfix/virtual_mailbox_domains
# OTHER SETTINGS
myhostname = -----
myorigin = /etc/mailname
mydestination = -----, localhost.$mydomain, localhost
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter =
inet_interfaces = all
inet_protocols = all
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
compatibility_level = 2
default_transport=smtp


Contenu du fichier /etc/hosts

127.0.0.1       localhost
127.0.0.1       localhost.local
# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost   ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts

如果有人能帮我，那就太酷了：）

祝你今天愉快，提前谢谢

mail for localhost loops back to myself

# GENERAL SETTINGS
smtpd_banner = $myhostname ESMTP $mail_name
biff = no
append_dot_mydomain = no
readme_directory = no
# SMTP SETTINGS
smtp_use_tls=yes
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
# SMTPD SETTINGS
smtpd_use_tls=yes
smtpd_tls_security_level = may
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_tls_cert_file=/etc/letsencrypt/live/mail.-----/fullchain.pem
smtpd_tls_key_file=/etc/letsencrypt/live/mail.-----/privkey.pem
smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated,  reject_unauth_destination
# SASL SETTINGS
relay_domains = localhost.local
transport_maps = hash:/etc/postfix/transport
smtpd_sasl_auth_enable = yes
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
# VIRTUAL MAIL BOX AND LMTP SETTINGS
virtual_transport = lmtp:unix:private/dovecot-lmtp
#virtual_mailbox_domains = /etc/postfix/virtual_mailbox_domains
# OTHER SETTINGS
myhostname = -----
myorigin = /etc/mailname
mydestination = -----, localhost.$mydomain, localhost
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter =
inet_interfaces = all
inet_protocols = all
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
compatibility_level = 2
default_transport=smtp


Contenu du fichier /etc/hosts

127.0.0.1       localhost
127.0.0.1       localhost.local
# The following lines are desirable for IPv6 capable hosts
::1     ip6-localhost   ip6-loopback
fe00::0 ip6-localnet
ff00::0 ip6-mcastprefix
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters
ff02::3 ip6-allhosts