Cfxtrjtrk

My mail server can't send or receive emails. I've been trying for months without success. None of the Google searches have helped either. Please have a look see and try to help me get this resolved.

For Postfix configuration, the output is:

root@domain:~# postconf -n

alias_database = hash:/etc/aliases

alias_maps = hash:/etc/aliases

body_checks = regexp:/etc/postfix/body_checks

broken_sasl_auth_clients = yes

command_directory = /usr/sbin

compatibility_level = 2

content_filter = smtp-amavis:[127.0.0.1]:10024

daemon_directory = /usr/lib/postfix/sbin

data_directory = /var/lib/postfix

debug_peer_level = 2

debug_peer_list = 127.0.0.1

debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin ddd       $daemon_directory/$process_name $process_id & sleep 5

default_destination_concurrency_limit = 20

fast_flush_domains = $relay_domains

header_checks = pcre:/etc/postfix/header_checks.pcre

home_mailbox = maildir/

html_directory = no

in_flow_delay = 1s

inet_interfaces = all

inet_protocols = all

local_recipient_maps = unix:passwd.byname $alias_maps

mail_owner = postfix

mail_spool_directory = /var/mail

mailbox_command = procmail -a "$EXTENSION"

mailbox_size_limit = 0

mailbox_transport = lmtp:unix:/var/run/dovecot/lmtp

mailq_path = /usr/bin/mailq

manpage_directory = /usr/share/man

mydestination = mail.domain.co.za, localhost.localdomain, localhost

mydomain = domain.co.za

myhostname = mail.domain.co.za

mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.0.0/24

mynetworks_style = subnet

myorigin = /etc/mailname

newaliases_path = /usr/bin/newaliasess

queue_directory = /var/spool/postfix

readme_directory = no

recipient_delimiter = +

relay_domains = $mydestination

relayhost = smtp:[mail.domain.co.za]:465

sample_directory = /etc/postfix

sendmail_path = /usr/sbin/sendmail

setgid_group = postdrop

smtp_bind_address = 192.168.x.X

smtp_sasl_mechanism_filter = !gssapi, !login, static:all

smtp_tls_security_level = encrypt

smtp_tls_wrappermode = yes

smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)

smtpd_helo_restrictions = reject_invalid_helo_hostname reject_non_fqdn_helo_host

smtpd_recipient_restrictions = permit_my_networks permit_sasl_authenticated reject_unauth_destination reject_sender_login_mismatch

smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination

smtpd_sasl_auth_enable = yes

smtpd_sasl_local_domain = $mydomain

smtpd_sasl_path = private/auth

smtpd_sasl_security_options = noanonymous

smtpd_sasl_tls_security_options = $smtpd_sasl_security_options

smtpd_timeout = 220s

smtpd_tls_auth_only = yes

smtpd_tls_cert_file = /etc/ssl/pem/certificate.pem

smtpd_tls_ciphers = medium

smtpd_tls_key_file = /etc/ssl/pem/key.pem

smtpd_tls_mandatory_ciphers = medium

smtpd_tls_mandatory_protocols = TLSv1 TLSv1.1 TLSv1.2

smtpd_tls_security_level = may

smtpd_use_tls = yes

transport_maps = hash:/etc/postfix/transport

unknown_local_recipient_reject_code = 450

virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf

virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf

virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf

For Dovecot configuration, the output is:

root@1ag:~# dovecot -n

2.2.33.2 (d6601f4ec): /etc/dovecot/dovecot.conf

Pigeonhole version 0.4.21 (92477967) OS: Linux 4.15.0-39-generic x86_64 Ubuntu 18.04.1 LTS 

auth_mechanisms = plain login

auth_verbose = yes

base_dir = /var/run/dovecot/

login_greeting = Dovecot ready.

mail_location = maildir:~/Maildir

passdb {

  args = /etc/dovecot/passwd

  driver = passwd-file

}

passdb {

  driver = pam

}

service auth {

  user = root

}

userdb {

  driver = passwd

}

userdb {

  args = uid=vmail gid=vmail home=/home/vmail/%u

  driver = passwd-file

}

protocol imap {

  imap_client_workarounds = tb-extra-mailbox-sep

}

You will notice that my mail.log is quite extensive:

Nov 29 12:08:31 domain postfix/postfix-script[2066]: starting the Postfix mail system

Nov 29 12:08:32 domain postfix/master[2070]: daemon started -- version 3.3.0, configuration /etc/postfix

Nov 29 12:08:33 domain postfix/qmgr[2072]: C92FD80215: from=<root@domain.co.za>, size=138408, nrcpt=1 (queue active)

Nov 29 12:08:35 domain postfix/trivial-rewrite[2074]: warning: connect to mysql server 127.0.0.1: Can't connect to MySQL server on '127.0.0.1' (111)

Nov 29 12:08:35 domain postfix/trivial-rewrite[2074]: warning: virtual_alias_domains: mysql:/etc/postfix/mysql-virtual-alias-maps.cf: table lookup problem

Nov 29 12:08:35 domain postfix/trivial-rewrite[2074]: warning: virtual_alias_domains lookup failure

Nov 29 12:08:36 domain postfix/qmgr[2072]: B78398022A: from=<root@domain.co.za>, size=138303, nrcpt=1 (queue active)

Nov 29 12:08:42 domain amavis[1807]: logging initialized, log level 2, syslog: amavis.mail

Nov 29 12:08:42 domain amavis[1807]: sd_notify (no socket): STATUS=Config files have been read, modules loaded.

Nov 29 12:08:42 domain amavis[1807]: starting. /usr/sbin/amavisd-new at mail.domain.co.zam amavisd-new-2.11.0 (20160426), Unicode aware, LC_ALL="C", LANG="en_US.UTF-8"

Nov 29 12:08:42 domain amavis[1807]: perl=5.026001, user=, EUID: 134 (134);  group=, EGID: 142 142 (142 142)

Nov 29 12:08:45 domain amavis[1807]: INFO: no optional modules: unicore::lib::Nt::De.pl Unix::Getrusage

Nov 29 12:08:45 domain amavis[1807]: SpamControl: scanner SpamAssassin, module Amavis::SpamControl::SpamAssassin

Nov 29 12:08:50 domain amavis[1807]: INFO: SA version: 3.4.2, 3.004002, no optional modules: Encode::Detect Image::Info Image::Info::GIF Image::Info::JPEG Image::Info::PNG Image::Info::BMP Image::Info::TIFF

Nov 29 12:08:50 domain amavis[1807]: SpamControl: init_pre_chroot on SpamAssassin done

Nov 29 12:08:50 domain amavis[1807]: socket module IO::Socket::IP, protocol families available: INET, INET6

Nov 29 12:08:50 domain amavis[1807]: will bind to /var/lib/amavis/amavisd.sock|unix, 127.0.0.1:10024/tcp, [::1]:10024/tcp

Nov 29 12:08:50 domain amavis[1807]: sd_notify (no socket): STATUS=Transferring control to Net::Server.

Nov 29 12:08:50 domain amavis[2839]: Net::Server: Process Backgrounded

Nov 29 12:08:50 domain amavis[2839]: sd_notify (no socket): MAINPID=2839nSTATUS=Daemonized, preparing to bind sockets.

Nov 29 12:08:50 domain amavis[2839]: Net::Server: 2018/11/29-12:08:50 Amavis (type Net::Server::PreForkSimple) starting! pid(2839)

Nov 29 12:08:50 domain amavis[2839]: Net::Server: Binding to UNIX socket file "/var/lib/amavis/amavisd.sock"

Nov 29 12:08:50 domain amavis[2839]: Net::Server: Binding to TCP port 10024 on host 127.0.0.1 with IPv4

Nov 29 12:08:50 domain amavis[2839]: Net::Server: Binding to TCP port 10024 on host ::1 with IPv6

Nov 29 12:08:50 domain amavis[2839]: sd_notify (no socket): STATUS=Sockets bound, checking user and group.

Nov 29 12:08:50 domain amavis[2839]: Net::Server: Group Not Defined.  Defaulting to EGID '142 142'

Nov 29 12:08:50 domain amavis[2839]: Net::Server: User Not Defined.  Defaulting to EUID '134'

Nov 29 12:08:50 domain amavis[2839]: sd_notify (no socket): STATUS=The rest of pre-fork init, finding helper programs.

Nov 29 12:08:50 domain amavis[2839]: config files read: /usr/share/amavis/conf.d/10-debian_scripts, /usr/share/amavis/conf.d/20-package, /etc/amavis/conf.d/01-debian, /etc/amavis/conf.d/05-domain_id, /etc/amavis/conf.d/05-node_id, /etc/amavis/conf.d/15-av_scanners, /etc/amavis/conf.d/15-content_filter_mode, /etc/amavis/conf.d/20-debian_defaults, /etc/amavis/conf.d/21-ubuntu_defaults, /etc/amavis/conf.d/25-amavis_helpers, /etc/amavis/conf.d/30-template_localization, /etc/amavis/conf.d/40-policy_banks, /etc/amavis/conf.d/50-user

Nov 29 12:08:50 domain amavis[2839]: Module Amavis::Conf        2.412

Nov 29 12:08:50 domain amavis[2839]: Module Archive::Zip        1.60

Nov 29 12:08:50 domain amavis[2839]: Module BerkeleyDB          0.55

Nov 29 12:08:50 domain amavis[2839]: Module Compress::Raw::Zlib 2.074

Nov 29 12:08:50 domain amavis[2839]: Module Compress::Zlib      2.074

Nov 29 12:08:50 domain amavis[2839]: Module Crypt::OpenSSL::RSA 0.28

Nov 29 12:08:50 domain amavis[2839]: Module DB_File             1.84

Nov 29 12:08:50 domain amavis[2839]: Module Digest::MD5         2.55

Nov 29 12:08:50 domain amavis[2839]: Module Digest::SHA         5.96

Nov 29 12:08:50 domain amavis[2839]: Module Encode              2.88

Nov 29 12:08:50 domain amavis[2839]: Module File::Temp          0.2304

Nov 29 12:08:50 domain amavis[2839]: Module IO::Socket::INET6   2.72

Nov 29 12:08:50 domain amavis[2839]: Module IO::Socket::IP      0.38

Nov 29 12:08:50 domain amavis[2839]: Module MIME::Entity        5.509

Nov 29 12:08:50 domain amavis[2839]: Module MIME::Parser        5.509

Nov 29 12:08:50 domain amavis[2839]: Module MIME::Tools         5.509

Nov 29 12:08:50 domain amavis[2839]: Module Mail::DKIM::Signer  0.44

Nov 29 12:08:50 domain amavis[2839]: Module Mail::DKIM::Verifier 0.44

Nov 29 12:08:50 domain amavis[2839]: Module Mail::Header        2.18

Nov 29 12:08:50 domain amavis[2839]: Module Mail::Internet      2.18

Nov 29 12:08:50 domain amavis[2839]: Module Mail::SPF           v2.009

Nov 29 12:08:50 domain amavis[2839]: Module Mail::SpamAssassin  3.004002

Nov 29 12:08:50 domain amavis[2839]: Module Net::DNS            1.1

Nov 29 12:08:50 domain amavis[2839]: Module Net::LibIDN         0.12

Nov 29 12:08:50 domain amavis[2839]: Module Net::Patricia       1.22

Nov 29 12:08:50 domain amavis[2839]: Module Net::Server         2.009

Nov 29 12:08:50 domain amavis[2839]: Module NetAddr::IP         4.079

Nov 29 12:08:50 domain amavis[2839]: Module Razor2::Client::Version 2.84

Nov 29 12:08:50 domain amavis[2839]: Module Scalar::Util        1.4602

Nov 29 12:08:50 domain amavis[2839]: Module Socket              2.020_03

Nov 29 12:08:50 domain amavis[2839]: Module Socket6             0.27

Nov 29 12:08:50 domain amavis[2839]: Module Time::HiRes         1.9741

Nov 29 12:08:50 domain amavis[2839]: Module URI                 1.73

Nov 29 12:08:50 domain amavis[2839]: Module Unix::Syslog        1.1

Nov 29 12:08:50 domain amavis[2839]: Amavis::ZMQ code     NOT loaded

Nov 29 12:08:50 domain amavis[2839]: Amavis::DB code      loaded

Nov 29 12:08:50 domain amavis[2839]: SQL base code        NOT loaded

Nov 29 12:08:50 domain amavis[2839]: SQL::Log code        NOT loaded

Nov 29 12:08:50 domain amavis[2839]: SQL::Quarantine      NOT loaded

Nov 29 12:08:50 domain amavis[2839]: Lookup::SQL code     NOT loaded

Nov 29 12:08:50 domain amavis[2839]: Lookup::LDAP code    NOT loaded

Nov 29 12:08:50 domain amavis[2839]: AM.PDP-in proto code loaded

Nov 29 12:08:50 domain amavis[2839]: SMTP-in proto code   loaded

Nov 29 12:08:50 domain amavis[2839]: Courier proto code   NOT loaded

Nov 29 12:08:50 domain amavis[2839]: SMTP-out proto code  loaded

Nov 29 12:08:50 domain amavis[2839]: Pipe-out proto code  NOT loaded

Nov 29 12:08:50 domain amavis[2839]: BSMTP-out proto code NOT loaded

Nov 29 12:08:50 domain amavis[2839]: Local-out proto code loaded

Nov 29 12:08:50 domain amavis[2839]: OS_Fingerprint code  NOT loaded

Nov 29 12:08:50 domain amavis[2839]: ANTI-VIRUS code      loaded

Nov 29 12:08:50 domain amavis[2839]: ANTI-SPAM code       loaded

Nov 29 12:08:50 domain amavis[2839]: ANTI-SPAM-EXT code   NOT loaded

Nov 29 12:08:50 domain amavis[2839]: ANTI-SPAM-C code     NOT loaded

Nov 29 12:08:50 domain amavis[2839]: ANTI-SPAM-SA code    loaded

Nov 29 12:08:50 domain amavis[2839]: Unpackers code       loaded

Nov 29 12:08:50 domain amavis[2839]: DKIM code            loaded

Nov 29 12:08:50 domain amavis[2839]: Tools code           NOT loaded

Nov 29 12:08:50 domain amavis[2839]: Found $file            at /usr/bin/file

Nov 29 12:08:50 domain amavis[2839]: No $altermime,         not using it

Nov 29 12:08:50 domain amavis[2839]: Internal decoder for .mail

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .Z    at /bin/uncompress

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .gz   at /bin/gzip -d

Nov 29 12:08:50 domain amavis[2839]: Internal decoder for .gz   (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .bz2  at /bin/bzip2 -d

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .xz   at /usr/bin/xz -dc

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .lzma at /usr/bin/xz -dc --format=lzma

Nov 29 12:08:50 domain amavis[2839]: No ext program for   .lrz, tried: lrzip -q -k -d -o -, lrzcat -q -k

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .lzo  at /usr/bin/lzop -d

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .lz4  at /usr/bin/lz4c -d

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .rpm  at /usr/bin/rpm2cpio

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .cpio at /bin/pax

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .tar  at /bin/pax

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .deb  at /usr/bin/ar

Nov 29 12:08:50 domain amavis[2839]: No ext program for   .rar, tried: unrar-free

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .arj  at /usr/bin/arj

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .arc  at /usr/bin/nomarch

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .zoo  at /usr/bin/zoo

Nov 29 12:08:50 domain amavis[2839]: No ext program for   .doc, tried: ripole

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .cab  at /usr/bin/cabextract

Nov 29 12:08:50 domain amavis[2839]: Internal decoder for .tnef

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .zip  at /usr/bin/7za

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .kmz  at /usr/bin/7za

Nov 29 12:08:50 domain amavis[2839]: Internal decoder for .zip  (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Internal decoder for .kmz  (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .7z   at /usr/bin/7zr

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .gz   at /usr/bin/7za (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .bz2  at /usr/bin/7za (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .Z    at /usr/bin/7za (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .tar  at /usr/bin/7za (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .xz   at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .lzma at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .jar  at /usr/bin/7z

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .cpio at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .arj  at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .rar  at /usr/bin/7z

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .swf  at /usr/bin/7z

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .lha  at /usr/bin/7z

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .iso  at /usr/bin/7z

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .cab  at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .deb  at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .rpm  at /usr/bin/7z (backup, not used)

Nov 29 12:08:50 domain amavis[2839]: Found decoder for    .exe  at /usr/bin/arj

Nov 29 12:08:50 domain amavis[2839]: No decoder for       .F   

Nov 29 12:08:50 domain amavis[2839]: No decoder for       .doc 

Nov 29 12:08:50 domain amavis[2839]: No decoder for       .lrz 

Nov 29 12:08:50 domain amavis[2839]: Using primary internal av scanner code for ClamAV-clamd

Nov 29 12:08:50 domain amavis[2839]: Found secondary av scanner ClamAV-clamscan at /usr/bin/clamscan

Nov 29 12:08:50 domain amavis[2839]: Deleting db files snmp.db,nanny.db,__db.001,__db.003,__db.002 in /var/lib/amavis/db

Nov 29 12:08:50 domain amavis[2839]: Creating db in /var/lib/amavis/db/; BerkeleyDB 0.55, libdb 5.3

Nov 29 12:09:02 domain postfix/qmgr[2072]: 6299D80227: from=<root@domain.co.za>, size=468, nrcpt=1 (queue active)

Nov 29 12:09:03 domain postfix/qmgr[2072]: A41FC8022B: from=<root@mail.domain.co.za>, size=139510, nrcpt=1 (queue active)

Nov 29 12:09:03 domain postfix/trivial-rewrite[2074]: warning: virtual_alias_domains: mysql:/etc/postfix/mysql-virtual-alias-maps.cf: table lookup problem

Nov 29 12:09:03 domain postfix/trivial-rewrite[2074]: warning: virtual_alias_domains lookup failure

Nov 29 12:09:03 domain postfix/qmgr[2072]: A94108022F: from=<root@mail.domain.co.za>, size=139447, nrcpt=1 (queue active)

Nov 29 12:09:18 domain postfix/error[2894]: 6299D80227: to=<root@domain.co.za>, orig_to=<root>, relay=none, delay=386996, delays=386980/0.4/0/16, dsn=4.3.0, status=deferred (address resolver failure)

Nov 29 12:09:18 domain postfix/error[2075]: C92FD80215: to=<root@domain.co.za>, orig_to=<root>, relay=none, delay=443497, delays=443452/29/0/16, dsn=4.3.0, status=deferred (address resolver failure)

Nov 29 12:09:18 domain postfix/error[2898]: A94108022F: to=<root@mail.domain.co.za>, orig_to=<root>, relay=none, delay=83293, delays=83278/0.14/0/15, dsn=4.3.0, status=deferred (address resolver failure)

Nov 29 12:09:18 domain postfix/error[2895]: A41FC8022B: to=<root@mail.domain.co.za>, orig_to=<root>, relay=none, delay=214145, delays=214130/0.39/0/15, dsn=4.3.0, status=deferred (address resolver failure)

Nov 29 12:09:18 domain postfix/qmgr[2072]: C92FD80215: from=<root@domain.co.za>, status=expired, returned to sender

Nov 29 12:09:19 domain amavis[2839]: initializing Mail::SpamAssassin (0)

Nov 29 12:09:19 domain amavis[2839]: SpamAssassin debug facilities: info

Nov 29 12:09:19 domain postfix/error[2891]: B78398022A: to=<root@domain.co.za>, orig_to=<root>, relay=none, delay=302494, delays=302451/27/0/16, dsn=4.3.0, status=deferred (address resolver failure)

Nov 29 12:09:20 domain postfix/cleanup[3218]: warning: /etc/postfix/body_checks: logical line must not start with whitespace: " /^<iframe src=(3D)?cid:.* hei..."

Nov 29 12:09:21 domain postfix/cleanup[3218]: 4636980226: message-id=<20181129100920.4636980226@mail.domain.co.za>

Nov 29 10:09:23 domain postfix/bounce[2893]: C92FD80215: sender non-delivery notification: 4636980226

Nov 29 12:09:23 domain postfix/qmgr[2072]: 4636980226: from=<>, size=2209, nrcpt=1 (queue active)

Nov 29 12:09:23 domain postfix/trivial-rewrite[2074]: warning: virtual_alias_domains: mysql:/etc/postfix/mysql-virtual-alias-maps.cf: table lookup problem

Nov 29 12:09:23 domain postfix/trivial-rewrite[2074]: warning: virtual_alias_domains lookup failure

Nov 29 12:09:23 domain postfix/qmgr[2072]: C92FD80215: removed

Nov 29 12:09:23 domain amavis[2839]: SA info: config: failed to parse line, skipping, in "/etc/spamassassin/local.cf": use_dcc 0

Nov 29 12:09:23 domain postfix/error[2894]: 4636980226: to=<carel@domain.co.za>, orig_to=<root@domain.co.za>, relay=none, delay=4.5, delays=4/0.04/0/0.52, dsn=4.3.0, status=deferred (address resolver failure)

Nov 29 12:09:24 domain amavis[2839]: SpamAssassin loaded plugins: AskDNS, AutoLearnThreshold, Bayes, BodyEval, Check, DKIM, DNSEval, FreeMail, HTMLEval, HTTPSMismatch, Hashcash, HeaderEval, ImageInfo, MIMEEval, MIMEHeader, Pyzor, Razor2, RelayEval, ReplaceTags, Rule2XSBody, SPF, SpamCop, URIDNSBL, URIDetail, URIEval, VBounce, WLBLEval, WhiteListSubject

Nov 29 12:09:24 domain amavis[2839]: SpamControl: init_pre_fork on SpamAssassin done

Nov 29 12:09:24 domain amavis[2839]: extra modules loaded after daemonizing/chrooting: /etc/perl/Net/libnet.cfg, /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Net/SSLeay/autosplit.ix, /usr/lib/x86_64-linux-gnu/perl5/5.26/auto/Net/SSLeay/randomize.al, IO/Socket/SSL.pm, IO/Socket/SSL/PublicSuffix.pm, Mail/SpamAssassin/Plugin/FreeMail.pm, Mail/SpamAssassin/Plugin/SpamCop.pm, Net/Cmd.pm, Net/Config.pm, Net/SMTP.pm, Net/SSLeay.pm

Nov 29 12:09:24 domain amavis[2839]: sd_notify (no socket): READY=1nSTATUS=Initialization done.

Nov 29 12:09:24 domain amavis[2839]: sd_notify (no socket): STATUS=Starting child process(es), ready for work.

Nov 29 12:18:36 domain postfix/qmgr[2072]: 4636980226: from=<>, size=2209, nrcpt=1 (queue active)

Nov 29 12:19:37 domain postfix/qmgr[2072]: warning: problem talking to service rewrite: Connection timed out

Nov 29 12:20:38 domain postfix/qmgr[2072]: warning: problem talking to service rewrite: Connection timed out

Nov 29 12:20:52 domain postfix/trivial-rewrite[4984]: warning: write resolver reply: Broken pipe

Nov 29 12:21:32 domain postfix/trivial-rewrite[5008]: warning: write resolver reply: Broken pipe

Nov 29 12:21:46 domain postfix/smtps/smtpd[5113]: connect from domain.co.za[192.168.1.7]

Nov 29 12:21:47 domain postfix/smtps/smtpd[5113]: warning: SASL: Connect to private/auth failed: Connection refused

Nov 29 12:21:47 domain postfix/smtps/smtpd[5113]: fatal: no SASL authentication mechanisms

Nov 29 12:21:48 domain postfix/master[2070]: warning: process /usr/lib/postfix/sbin/smtpd pid 5113 exit status 1

Nov 29 12:21:48 domain postfix/master[2070]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling

Nov 29 12:22:42 domain postfix/smtp[5111]: 4636980226: to=<carel@domain.co.za>, orig_to=<root@domain.co.za>, relay=192.168.1.7[192.168.1.7]:465, delay=749, delays=558/185/6.2/0, dsn=4.4.2, status=deferred (lost connection with 192.168.1.7[192.168.1.7] while receiving the initial server greeting)

Nov 29 12:38:35 domain postfix/qmgr[2072]: 4636980226: from=<>, size=2209, nrcpt=1 (queue active)

Nov 29 12:38:38 domain postfix/smtps/smtpd[6873]: connect from domain.co.za[192.168.1.7]

Nov 29 12:38:38 domain postfix/smtps/smtpd[6873]: warning: SASL: Connect to private/auth failed: Connection refused

Nov 29 12:38:38 domain postfix/smtps/smtpd[6873]: fatal: no SASL authentication mechanisms

Nov 29 12:38:39 domain postfix/master[2070]: warning: process /usr/lib/postfix/sbin/smtpd pid 6873 exit status 1

Nov 29 12:38:39 domain postfix/master[2070]: warning: /usr/lib/postfix/sbin/smtpd: bad command startup -- throttling

Nov 29 12:38:39 domain postfix/smtp[6872]: 4636980226: to=<carel@domain.co.za>, orig_to=<root@domain.co.za>, relay=192.168.1.7[192.168.1.7]:465, delay=1760, delays=1756/2.4/1.6/0, dsn=4.4.2, status=deferred (lost connection with 192.168.1.7[192.168.1.7] while receiving the initial server greeting)

Nov 29 12:41:06 domain postfix/cleanup[7099]: warning: /etc/postfix/body_checks: logical line must not start with whitespace: " /^<iframe src=(3D)?cid:.* hei..."

Nov 29 12:41:07 domain postfix/pickup[2071]: DF53A80229: uid=0 from=<root>

Nov 29 12:41:07 domain postfix/cleanup[7099]: DF53A80229: message-id=<20181129104106.DF53A80229@mail.domain.co.za>

Nov 29 12:41:07 domain postfix/qmgr[2072]: DF53A80229: from=<root@mail.domain.co.za>, size=138893, nrcpt=1 (queue active)

Nov 29 12:41:07 domain postfix/smtp[7102]: fatal: valid hostname or network address required in server description: smtp:[mail.domain.co.za]:465

Nov 29 12:41:08 domain postfix/qmgr[2072]: warning: private/smtp socket: malformed response

Nov 29 12:41:08 domain postfix/qmgr[2072]: warning: transport smtp failure -- see a previous warning/fatal/panic logfile record for the problem description

Nov 29 12:41:08 domain postfix/master[2070]: warning: process /usr/lib/postfix/sbin/smtp pid 7102 exit status 1

Nov 29 12:41:08 domain postfix/master[2070]: warning: /usr/lib/postfix/sbin/smtp: bad command startup -- throttling

Nov 29 12:41:08 domain postfix/error[7103]: DF53A80229: to=<root@mail.domain.co.za>, orig_to=<root>, relay=none, delay=2.2, delays=1/1.1/0/0.05, dsn=4.3.0, status=deferred (unknown mail transport error)

So, there's a couple of issues here. Any help would be greatly appreciated.