Hi. Sorry
I apologize in advance, this may not be a question for you, but I decided to write to you first. I'm trying to set up sending mail via an SMTP server. That is, I enter my data into Google (as in the screenshot) and cannot join.
The logs say the following:
Jul 11 20:11:06 monstilin postfix/smtpd[36930]: warning: unknown[178.215.236.184]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 20:11:06 monstilin postfix/smtpd[36930]: disconnect from unknown[178.215.236.184] ehlo=1 auth=0/1 quit=1 commands=2/3
Jul 11 20:11:10 monstilin postfix/smtps/smtpd[35778]: connect from unknown[194.169.175.10]
Jul 11 20:11:16 monstilin postfix/smtps/smtpd[35816]: connect from unknown[194.169.175.20]
Jul 11 20:11:19 monstilin postfix/smtps/smtpd[35816]: warning: unknown[194.169.175.20]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 20:11:19 monstilin postfix/smtps/smtpd[35816]: lost connection after AUTH from unknown[194.169.175.20]
Jul 11 20:11:19 monstilin postfix/smtps/smtpd[35816]: disconnect from unknown[194.169.175.20] ehlo=1 auth=0/1 rset=1 commands=2/3
Jul 11 20:11:52 monstilin postfix/smtps/smtpd[35778]: warning: unknown[194.169.175.10]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 20:11:53 monstilin postfix/smtps/smtpd[35816]: connect from unknown[194.169.175.20]
Jul 11 20:11:58 monstilin postfix/smtps/smtpd[35778]: lost connection after AUTH from unknown[194.169.175.10]
Jul 11 20:11:58 monstilin postfix/smtps/smtpd[35778]: disconnect from unknown[194.169.175.10] ehlo=1 auth=0/1 rset=1 commands=2/3
Jul 11 20:11:58 monstilin postfix/smtps/smtpd[35816]: warning: unknown[194.169.175.20]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 20:11:58 monstilin postfix/smtps/smtpd[35816]: lost connection after AUTH from unknown[194.169.175.20]
Jul 11 20:11:58 monstilin postfix/smtps/smtpd[35816]: disconnect from unknown[194.169.175.20] ehlo=1 auth=0/1 rset=1 commands=2/3
Jul 11 20:12:11 monstilin postfix/smtps/smtpd[35778]: connect from unknown[194.169.175.10]
Jul 11 20:12:32 monstilin postfix/smtps/smtpd[35816]: connect from unknown[194.169.175.20]
Jul 11 20:12:37 monstilin postfix/smtps/smtpd[35816]: warning: unknown[194.169.175.20]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 20:12:37 monstilin postfix/smtps/smtpd[35816]: lost connection after AUTH from unknown[194.169.175.20]
Jul 11 20:12:37 monstilin postfix/smtps/smtpd[35816]: disconnect from unknown[194.169.175.20] ehlo=1 auth=0/1 rset=1 commands=2/3
Jul 11 20:12:54 monstilin postfix/smtps/smtpd[35778]: warning: unknown[194.169.175.10]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 20:13:01 monstilin postfix/smtps/smtpd[35778]: lost connection after AUTH from unknown[194.169.175.10]
Jul 11 20:13:01 monstilin postfix/smtps/smtpd[35778]: disconnect from unknown[194.169.175.10] ehlo=1 auth=0/1 rset=1 commands=2/3
Jul 11 20:13:06 monstilin postfix/smtps/smtpd[35816]: connect from unknown[194.169.175.20]
My postfix settings:
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 $mail_name (Ubuntu)
biff = no
appending .domain is the MUA's job.
append_dot_mydomain = no
Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
fresh installs.
compatibility_level = 3.6
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = monstilin.school
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination =
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
virtual_mailbox_domains = sqlite:/etc/postfix/sqlite_virtual_domains_maps.cf
virtual_alias_maps = sqlite:/etc/postfix/sqlite_virtual_alias_maps.cf, sqlite:/etc/postfix/sqlite_virtual_alias_domain_maps.cf, sqlite:/etc/postfix/sqlite_virtual_alias_domain_catchall_maps.cf
virtual_mailbox_maps = sqlite:/etc/postfix/sqlite_virtual_mailbox_maps.cf, sqlite:/etc/postfix/sqlite_virtual_alias_domain_mailbox_maps.cf
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination
smtpd_use_tls = yes
smtp_tls_security_level = may
smtpd_tls_security_level = may
virtual_transport = lmtp:unix:private/dovecot-lmtp
smtpd_milters = inet:127.0.0.1:11332
non_smtpd_milters = inet:127.0.0.1:11332
milter_mail_macros = i {mail_addr} {client_addr} {client_name} {auth_authen}
milter_protocol = 6
milter_default_action = accept
message_size_limit = 102400000
smtpd_tls_chain_files = /www/server/panel/plugin/mail_sys/cert/monstilin.school/privkey.pem,/www/server/panel/plugin/mail_sys/cert/monstilin.school/fullchain.pem
tls_server_sni_maps = hash:/etc/postfix/vmail_ssl.map