Hello,
I am have proxmox 5.0-61, and running very normal. starting two week ago, some of email unable to send to some of domain.
Error: "Lost connection with xxx while receiving the initial server greeting"
The following is capture of my configuration:
root@mx9:~# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = yes
best_mx_transport = local
biff = no
command_directory = /usr/sbin
compatibility_level = 2
content_filter = scan:127.0.0.1:10024
daemon_directory = /usr/lib/postfix/sbin
data_directory = /var/lib/postfix
default_destination_concurrency_limit = 40
delay_warning_time = 4h
lmtp_destination_concurrency_limit = 20
mail_name = Proxmox
mailbox_size_limit = 51200000
message_size_limit = 25485760
mydestination = localhost, $myhostname
mydomain = domain.co.id
myhostname = mx9.domain.co.id
mynetworks = 127.0.0.0/8 [::1]/128 192.168.x.0/24 192.168.x.0/24 192.168.x.85/32 192.168.x.85/32 192.168.x.85/32 192.168.x.85/32
parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,smtpd_access_maps
postscreen_access_list = permit_mynetworks, cidr:/etc/postfix/postscreen_access
postscreen_dnsbl_action = enforce
postscreen_dnsbl_sites = b.barracudacentral.org,zen.spamhaus.org
postscreen_greet_action = enforce
recipient_delimiter = +
relay_destination_concurrency_limit = 20
relay_domains = hash:/etc/pmg/domains
relay_transport = smtp:192.168.x.85:25
smtp_destination_concurrency_limit = 20
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
smtpd_banner = $myhostname XXXX SMTP
smtpd_client_connection_count_limit = 50
smtpd_client_connection_rate_limit = 0
smtpd_client_message_rate_limit = 0
smtpd_helo_restrictions =
smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination reject_non_fqdn_recipient check_recipient_access regexp:/etc/postfix/rcptaccess check_sender_access regexp:/etc/postfix/senderaccess check_client_access cidr:/etc/postfix/clientaccess check_policy_service inet:127.0.0.1:10022
smtpd_sender_restrictions = permit_mynetworks reject_non_fqdn_sender check_client_access cidr:/etc/postfix/clientaccess check_sender_access regexp:/etc/postfix/senderaccess check_recipient_access regexp:/etc/postfix/rcptaccess
smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_tls_session_cache
transport_maps = hash:/etc/pmg/transport
virtual_destination_concurrency_limit = 20
Kindly please help on this issue, I have tried to solve this issue for two weeks.
I am have proxmox 5.0-61, and running very normal. starting two week ago, some of email unable to send to some of domain.
Error: "Lost connection with xxx while receiving the initial server greeting"
The following is capture of my configuration:
root@mx9:~# postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = yes
best_mx_transport = local
biff = no
command_directory = /usr/sbin
compatibility_level = 2
content_filter = scan:127.0.0.1:10024
daemon_directory = /usr/lib/postfix/sbin
data_directory = /var/lib/postfix
default_destination_concurrency_limit = 40
delay_warning_time = 4h
lmtp_destination_concurrency_limit = 20
mail_name = Proxmox
mailbox_size_limit = 51200000
message_size_limit = 25485760
mydestination = localhost, $myhostname
mydomain = domain.co.id
myhostname = mx9.domain.co.id
mynetworks = 127.0.0.0/8 [::1]/128 192.168.x.0/24 192.168.x.0/24 192.168.x.85/32 192.168.x.85/32 192.168.x.85/32 192.168.x.85/32
parent_domain_matches_subdomains = debug_peer_list,fast_flush_domains,mynetworks,permit_mx_backup_networks,qmqpd_authorized_clients,smtpd_access_maps
postscreen_access_list = permit_mynetworks, cidr:/etc/postfix/postscreen_access
postscreen_dnsbl_action = enforce
postscreen_dnsbl_sites = b.barracudacentral.org,zen.spamhaus.org
postscreen_greet_action = enforce
recipient_delimiter = +
relay_destination_concurrency_limit = 20
relay_domains = hash:/etc/pmg/domains
relay_transport = smtp:192.168.x.85:25
smtp_destination_concurrency_limit = 20
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_tls_session_cache
smtpd_banner = $myhostname XXXX SMTP
smtpd_client_connection_count_limit = 50
smtpd_client_connection_rate_limit = 0
smtpd_client_message_rate_limit = 0
smtpd_helo_restrictions =
smtpd_recipient_restrictions = permit_mynetworks reject_unauth_destination reject_non_fqdn_recipient check_recipient_access regexp:/etc/postfix/rcptaccess check_sender_access regexp:/etc/postfix/senderaccess check_client_access cidr:/etc/postfix/clientaccess check_policy_service inet:127.0.0.1:10022
smtpd_sender_restrictions = permit_mynetworks reject_non_fqdn_sender check_client_access cidr:/etc/postfix/clientaccess check_sender_access regexp:/etc/postfix/senderaccess check_recipient_access regexp:/etc/postfix/rcptaccess
smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_tls_session_cache
transport_maps = hash:/etc/pmg/transport
virtual_destination_concurrency_limit = 20
Kindly please help on this issue, I have tried to solve this issue for two weeks.