Отправка и получение писем с помощью Postfix / Dovecot

Я искал уже пару дней, если не недель. Ну, я попытался настроить Postfix (что не удалось) с целью отправки писем без использования внешних служб ретрансляции, таких как Gmail, и настроить (локальный?) Сервер ретрансляции, который будет использоваться через порт 587.

Поправьте меня, если я ошибаюсь, это мой первый проект, знакомый с серверами почтовых типов.

Перед любыми объяснениями эта среда будет настроена для сервера производственного типа. Конфигурация также будет происходить в конечном итоге в образе Docker, но я стараюсь изучить каждый шаг, создавая все на нескольких виртуальных машинах (это в HyperV)

Я последовал за этот учебник за последние дни и успешно завершил настройку. Затем я создал клиента, (веб-сайт) и почтовый домен с почтовым ящиком. Это привело к тому, что я могу запросить успешный вход в Roundcube. Проблема возникает, когда я пытаюсь отправить электронные письма из Roundcube, я проверил файлы журналов, попытался перенастроить части Postfix (main.cf, master.cf и dpkg-reconfigure postfix, за которым следует service postfix restart конечно)

Вот примеры моей настройки:

• Я установил запись MX в домене dns, который, например, имеет значение subdomain.domain.ext.
• Я выполнил то же имя хоста и / или шаги / etc / hosts, что и в руководстве:

Следующие примеры соответствуют приведенному выше значению MX:

• hostname (according to example) subdomain
• cat /etc/hosts:

127.0.0.1       localhost.localdomain   localhost
local_ip        subdomain.domain.ext    subdomain
    
The following lines are desirable for IPv6 capable hosts
::1     localhost ip6-localhost ip6-loopback
ff02::1 ip6-allnodes
ff02::2 ip6-allrouters

Постфикс main.cf:

# 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 = /usr/share/doc/postfix

# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
# fresh installs.
compatibility_level = 2

# TLS parameters
smtpd_tls_cert_file = /etc/postfix/smtpd.cert
smtpd_tls_key_file = /etc/postfix/smtpd.key
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 = subdomain.domain.ext
alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
alias_database = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
myorigin = /etc/mailname
#mydestination = subdomain.domain.ext, localhost, localhost.localdomain
mydestination = localhost, localhost.localdomain
relayhost = 
mynetworks = 127.0.0.0/8 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all
html_directory = /usr/share/doc/postfix/html
virtual_alias_domains = 
virtual_alias_maps = hash:/var/lib/mailman/data/virtual-mailman, proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, proxy:mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /var/vmail
virtual_uid_maps = mysql:/etc/postfix/mysql-virtual_uids.cf
virtual_gid_maps = mysql:/etc/postfix/mysql-virtual_gids.cf
sender_bcc_maps = proxy:mysql:/etc/postfix/mysql-virtual_outgoing_bcc.cf
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_restriction_classes = greylisting
greylisting = check_policy_service inet:127.0.0.1:10023
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination, reject_rbl_client zen.spamhaus.org, check_recipient_access mysql:/etc/postfix/mysql-virtual_recipient.cf, check_recipient_access mysql:/etc/postfix/mysql-virtual_policy_greylist.cf
smtpd_tls_security_level = may
transport_maps = hash:/var/lib/mailman/data/transport-mailman, proxy:mysql:/etc/postfix/mysql-virtual_transports.cf
relay_domains = mysql:/etc/postfix/mysql-virtual_relaydomains.cf
relay_recipient_maps = mysql:/etc/postfix/mysql-virtual_relayrecipientmaps.cf
smtpd_sender_login_maps = proxy:mysql:/etc/postfix/mysql-virtual_sender_login_maps.cf
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $sender_bcc_maps $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $smtpd_sender_login_maps
smtpd_helo_required = yes
smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, check_helo_access regexp:/etc/postfix/helo_access, reject_invalid_hostname, reject_non_fqdn_hostname, reject_invalid_helo_hostname, reject_unknown_helo_hostname, check_helo_access regexp:/etc/postfix/blacklist_helo
smtpd_sender_restrictions = check_sender_access regexp:/etc/postfix/tag_as_originating.re , permit_mynetworks, permit_sasl_authenticated, check_sender_access mysql:/etc/postfix/mysql-virtual_sender.cf, check_sender_access regexp:/etc/postfix/tag_as_foreign.re
smtpd_client_restrictions = check_client_access mysql:/etc/postfix/mysql-virtual_client.cf
smtpd_client_message_rate_limit = 100
maildrop_destination_concurrency_limit = 1
maildrop_destination_recipient_limit = 1
virtual_transport = dovecot
header_checks = regexp:/etc/postfix/header_checks
mime_header_checks = regexp:/etc/postfix/mime_header_checks
nested_header_checks = regexp:/etc/postfix/nested_header_checks
body_checks = regexp:/etc/postfix/body_checks
owner_request_special = no
smtp_tls_security_level = may
smtpd_tls_mandatory_protocols = !SSLv2, !SSLv3
smtpd_tls_protocols = !SSLv2,!SSLv3
smtp_tls_protocols = !SSLv2,!SSLv3
smtpd_tls_exclude_ciphers = RC4, aNULL
smtp_tls_exclude_ciphers = RC4, aNULL
dovecot_destination_recipient_limit = 1
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
content_filter = amavis:[127.0.0.1]:10024
receive_override_options = no_address_mappings

Postfix master.cf:

# Postfix master process configuration file.  For details on the format
# of the file, see the master(5) manual page (command: "man 5 master" or
# on-line: http://www.postfix.org/master.5.html).
#
# Do not forget to execute "postfix reload" after editing this file.
#
# ==========================================================================
# service type  private unpriv  chroot  wakeup  maxproc command + args
#               (yes)   (yes)   (no)    (never) (100)
# ==========================================================================
smtp      inet  n       -       y       -       -       smtpd
#smtp      inet  n       -       y       -       1       postscreen
#smtpd     pass  -       -       y       -       -       smtpd
#dnsblog   unix  -       -       y       -       0       dnsblog
#tlsproxy  unix  -       -       y       -       0       tlsproxy
submission inet n       -       y       -       -       smtpd
  -o syslog_name=postfix/submission
  -o smtpd_tls_security_level=encrypt
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#  -o smtpd_tls_auth_only=yes
#  -o smtpd_reject_unlisted_recipient=no
#  -o smtpd_client_restrictions=$mua_client_restrictions
#  -o smtpd_helo_restrictions=$mua_helo_restrictions
#  -o smtpd_sender_restrictions=$mua_sender_restrictions
#  -o smtpd_recipient_restrictions=
#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
#  -o milter_macro_daemon_name=ORIGINATING
smtps     inet  n       -       y       -       -       smtpd
  -o syslog_name=postfix/smtps
  -o smtpd_tls_wrappermode=yes
  -o smtpd_sasl_auth_enable=yes
  -o smtpd_client_restrictions=permit_sasl_authenticated,reject
#  -o smtpd_reject_unlisted_recipient=no
#  -o smtpd_client_restrictions=$mua_client_restrictions
#  -o smtpd_helo_restrictions=$mua_helo_restrictions
#  -o smtpd_sender_restrictions=$mua_sender_restrictions
#  -o smtpd_recipient_restrictions=
#  -o smtpd_relay_restrictions=permit_sasl_authenticated,reject
#  -o milter_macro_daemon_name=ORIGINATING
#628       inet  n       -       y       -       -       qmqpd
pickup    unix  n       -       y       60      1       pickup
cleanup   unix  n       -       y       -       0       cleanup
qmgr      unix  n       -       n       300     1       qmgr
#qmgr     unix  n       -       n       300     1       oqmgr
tlsmgr    unix  -       -       y       1000?   1       tlsmgr
rewrite   unix  -       -       y       -       -       trivial-rewrite
bounce    unix  -       -       y       -       0       bounce
defer     unix  -       -       y       -       0       bounce
trace     unix  -       -       y       -       0       bounce
verify    unix  -       -       y       -       1       verify
flush     unix  n       -       y       1000?   0       flush
proxymap  unix  -       -       n       -       -       proxymap
proxywrite unix -       -       n       -       1       proxymap
smtp      unix  -       -       y       -       -       smtp
relay     unix  -       -       y       -       -       smtp
        -o syslog_name=postfix/$service_name
#       -o smtp_helo_timeout=5 -o smtp_connect_timeout=5
showq     unix  n       -       y       -       -       showq
error     unix  -       -       y       -       -       error
retry     unix  -       -       y       -       -       error
discard   unix  -       -       y       -       -       discard
local     unix  -       n       n       -       -       local
virtual   unix  -       n       n       -       -       virtual
lmtp      unix  -       -       y       -       -       lmtp
anvil     unix  -       -       y       -       1       anvil
scache    unix  -       -       y       -       1       scache
postlog   unix-dgram n  -       n       -       1       postlogd
#
# ====================================================================
# Interfaces to non-Postfix software. Be sure to examine the manual
# pages of the non-Postfix software to find out what options it wants.
#
# Many of the following services use the Postfix pipe(8) delivery
# agent.  See the pipe(8) man page for information about ${recipient}
# and other message envelope options.
# ====================================================================
#
# maildrop. See the Postfix MAILDROP_README file for details.
# Also specify in main.cf: maildrop_destination_recipient_limit=1
#
maildrop  unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail argv=/usr/bin/maildrop -d vmail ${extension} ${recipient} ${user} ${nexthop} ${sender}
#
# ====================================================================
#
# Recent Cyrus versions can use the existing "lmtp" master.cf entry.
#
# Specify in cyrus.conf:
#   lmtp    cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4
#
# Specify in main.cf one or more of the following:
#  mailbox_transport = lmtp:inet:localhost
#  virtual_transport = lmtp:inet:localhost
#
# ====================================================================
#
# Cyrus 2.1.5 (Amos Gouaux)
# Also specify in main.cf: cyrus_destination_recipient_limit=1
#
#cyrus     unix  -       n       n       -       -       pipe
#  user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user}
#
# ====================================================================
# Old example of delivery via Cyrus.
#
#old-cyrus unix  -       n       n       -       -       pipe
#  flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user}
#
# ====================================================================
#
# See the Postfix UUCP_README file for configuration details.
#
uucp      unix  -       n       n       -       -       pipe
  flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
#
# Other external delivery methods.
#
ifmail    unix  -       n       n       -       -       pipe
  flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient)
bsmtp     unix  -       n       n       -       -       pipe
  flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient
scalemail-backend unix  -   n   n   -   2   pipe
  flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension}
mailman   unix  -       n       n       -       -       pipe
  flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py
  ${nexthop} ${user}

dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${user}@${nexthop}

amavis unix - - - - 2 smtp
        -o smtp_data_done_timeout=1200
        -o smtp_send_xforward_command=yes
        -o smtp_bind_address=


127.0.0.1:10025 inet n - n - - smtpd
        -o content_filter=
        -o local_recipient_maps=
        -o relay_recipient_maps=
        -o smtpd_restriction_classes=
        -o smtpd_client_restrictions=
        -o smtpd_helo_restrictions=
        -o smtpd_sender_restrictions=
        -o smtpd_recipient_restrictions=permit_mynetworks,reject
        -o mynetworks=127.0.0.0/8
        -o strict_rfc821_envelopes=yes
        -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
        -o smtp_send_xforward_command=yes
        -o disable_dns_lookups=yes


127.0.0.1:10027 inet n - n - - smtpd
        -o content_filter=
        -o local_recipient_maps=
        -o relay_recipient_maps=
        -o smtpd_restriction_classes=
        -o smtpd_client_restrictions=
        -o smtpd_helo_restrictions=
        -o smtpd_sender_restrictions=
        -o smtpd_recipient_restrictions=permit_mynetworks,reject
        -o mynetworks=127.0.0.0/8
        -o strict_rfc821_envelopes=yes
        -o receive_override_options=no_unknown_recipient_checks,no_header_body_checks
        -o smtp_send_xforward_command=yes
        -o milter_default_action=accept
        -o milter_macro_daemon_name=ORIGINATING
        -o disable_dns_lookups=yes

• хвост -f /var/log/mail.log:

postfix/smtpd[30136]: disconnect from localhost[::1] ehlo=1 auth=1 mail=1 rcpt=1 data=1 quit=1 commands=6
Jul 20 08:40:50 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30156, secured, session=<1yIO0d6qMroAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:40:50 echo dovecot: imap(colin@domain.ext)<30156><1yIO0d6qMroAAAAAAAAAAAAAAAAAAAAB>: Logged out in=1128 out=1056 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:40:50 echo postfix/smtpd[30159]: connect from localhost.localdomain[127.0.0.1]
Jul 20 08:40:50 echo postfix/smtpd[30159]: C36A7E08A8: client=localhost.localdomain[127.0.0.1]
Jul 20 08:40:50 echo postfix/cleanup[30094]: C36A7E08A8: message-id=<c6552f40a3f0416d675b24ae6a8e99b5@domain.ext>
Jul 20 08:40:50 echo postfix/smtpd[30159]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Jul 20 08:40:50 echo postfix/qmgr[27585]: C36A7E08A8: from=<colin@domain.ext>, size=1656, nrcpt=1 (queue active)
Jul 20 08:40:50 echo amavis[23070]: (23070-16) Passed CLEAN {RelayedOutbound}, ORIGINATING LOCAL [::1]:34068 <colin@domain.ext> -> <originaladdress@hidden.ext>, Queue-ID: 48F7EE089B, Message-ID: <c6552f40a3f0416d675b24ae6a8e99b5@domain.ext>, mail_id: ZkrJmYfgX0Jz, Hits: 0.213, size: 1191, queued_as: C36A7E08A8, 464 ms
Jul 20 08:40:50 echo postfix/smtp[30097]: 48F7EE089B: to=<originaladdress@hidden.ext>, relay=127.0.0.1[127.0.0.1]:10026, delay=0.54, delays=0.07/0/0.01/0.46, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10027): 250 2.0.0 Ok: queued as C36A7E08A8)
Jul 20 08:40:50 echo postfix/qmgr[27585]: 48F7EE089B: removed
Jul 20 08:40:50 echo postfix/smtp[30141]: C36A7E08A8: to=<originaladdress@hidden.ext>, relay=mx.tb.mail.iss.as9143.net[212.54.42.8]:25, delay=0.14, delays=0.02/0/0.12/0, dsn=4.0.0, status=deferred (host mx.tb.mail.iss.as9143.net[212.54.42.8] refused to talk to me: 550 mx5.tb.mail.iss.as9143.net mx5.tb.mail.iss.as9143.net MXIN102 Your IP {HIDDEN_IP} is in RBL. Please see https://www.spamhaus.org/query/ip/{HIDDEN_IP}  ;id=xV6AjHSqSlfIA;sid=xV6AjHSqSlfIA;mta=mx5.tb;d=20200720;t=144050[CET];ipsrc={HIDDEN_IP};)
Jul 20 08:40:51 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30162, secured, session=<Z0UZ0d6qOroAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:40:51 echo dovecot: imap(colin@domain.ext)<30162><Z0UZ0d6qOroAAAAAAAAAAAAAAAAAAAAB>: Logged out in=70 out=654 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:40:51 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30165, secured, session=<WPIc0d6qPLoAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:40:51 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30166, secured, session=<KRId0d6qProAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:40:51 echo dovecot: imap(colin@domain.ext)<30166><KRId0d6qProAAAAAAAAAAAAAAAAAAAAB>: Logged out in=119 out=787 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:40:51 echo dovecot: imap(colin@domain.ext)<30165><WPIc0d6qPLoAAAAAAAAAAAAAAAAAAAAB>: Logged out in=317 out=6562 deleted=0 expunged=0 trashed=0 hdr_count=14 hdr_bytes=2388 body_count=0 body_bytes=0
Jul 20 08:40:52 echo postfix/qmgr[27585]: B9038E08FB: from=<colin@domain.ext>, size=1042, nrcpt=1 (queue active)
Jul 20 08:40:53 echo postfix/smtp[30141]: B9038E08FB: to=<originaladdress@hidden.ext>, relay=mx.tb.mail.iss.as9143.net[212.54.42.8]:25, delay=5170, delays=5170/0/0.16/0, dsn=4.0.0, status=deferred (host mx.tb.mail.iss.as9143.net[212.54.42.8] refused to talk to me: 550 mx2.tb.mail.iss.as9143.net mx2.tb.mail.iss.as9143.net MXIN102 Your IP {HIDDEN_IP} is in RBL. Please see https://www.spamhaus.org/query/ip/{HIDDEN_IP}  ;id=xV6DjCowJQsUv;sid=xV6DjCowJQsUv;mta=mx2.tb;d=20200720;t=144053[CET];ipsrc={HIDDEN_IP};)
Jul 20 08:40:54 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30168, secured, session=<B99J0d6qQroAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:40:54 echo dovecot: imap(colin@domain.ext)<30168><B99J0d6qQroAAAAAAAAAAAAAAAAAAAAB>: Logged out in=32 out=506 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:40:54 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30170, secured, session=<UgNL0d6qRLoAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:40:54 echo dovecot: imap(colin@domain.ext)<30170><UgNL0d6qRLoAAAAAAAAAAAAAAAAAAAAB>: Logged out in=44 out=613 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:41:15 echo postfix/smtpd[30136]: connect from localhost[::1]
Jul 20 08:41:15 echo postfix/smtpd[30136]: NOQUEUE: filter: RCPT from localhost[::1]: <colin@domain.ext>: Sender address triggers FILTER amavis:[127.0.0.1]:10026; from=<colin@domain.ext> to=<originaladdresshidden@gmail.com> proto=ESMTP helo=<_>
Jul 20 08:41:15 echo postfix/smtpd[30136]: 71BA4E08A3: client=localhost[::1], sasl_method=LOGIN, sasl_username=colin@domain.ext
Jul 20 08:41:15 echo postfix/cleanup[30094]: 71BA4E08A3: message-id=<7a8438b0a5859779009d2e9d74f9e91e@domain.ext>
Jul 20 08:41:15 echo postfix/qmgr[27585]: 71BA4E08A3: from=<colin@domain.ext>, size=595, nrcpt=1 (queue active)
Jul 20 08:41:15 echo postfix/smtpd[30136]: disconnect from localhost[::1] ehlo=1 auth=1 mail=1 rcpt=1 data=1 quit=1 commands=6
Jul 20 08:41:15 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30187, secured, session=<zC2O0t6qSroAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:41:15 echo dovecot: imap(colin@domain.ext)<30187><zC2O0t6qSroAAAAAAAAAAAAAAAAAAAAB>: Logged out in=460 out=670 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:41:15 echo postfix/smtpd[30159]: connect from localhost.localdomain[127.0.0.1]
Jul 20 08:41:15 echo postfix/smtpd[30159]: AEDF6E08A2: client=localhost.localdomain[127.0.0.1]
Jul 20 08:41:15 echo postfix/cleanup[30094]: AEDF6E08A2: message-id=<7a8438b0a5859779009d2e9d74f9e91e@domain.ext>
Jul 20 08:41:15 echo postfix/smtpd[30159]: disconnect from localhost.localdomain[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5
Jul 20 08:41:15 echo postfix/qmgr[27585]: AEDF6E08A2: from=<colin@domain.ext>, size=1070, nrcpt=1 (queue active)
Jul 20 08:41:15 echo amavis[27021]: (27021-05) Passed CLEAN {RelayedOutbound}, ORIGINATING LOCAL [::1]:34094 <colin@domain.ext> -> <originaladdresshidden@gmail.com>, Queue-ID: 71BA4E08A3, Message-ID: <7a8438b0a5859779009d2e9d74f9e91e@domain.ext>, mail_id: yi2HrBVrV9H1, Hits: 0.213, size: 595, queued_as: AEDF6E08A2, 211 ms
Jul 20 08:41:15 echo postfix/smtp[30097]: 71BA4E08A3: to=<originaladdresshidden@gmail.com>, relay=127.0.0.1[127.0.0.1]:10026, delay=0.29, delays=0.07/0/0.01/0.21, dsn=2.0.0, status=sent (250 2.0.0 from MTA(smtp:[127.0.0.1]:10027): 250 2.0.0 Ok: queued as AEDF6E08A2)
Jul 20 08:41:15 echo postfix/qmgr[27585]: 71BA4E08A3: removed
Jul 20 08:41:16 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30190, secured, session=<pjKZ0t6qULoAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:41:16 echo dovecot: imap(colin@domain.ext)<30190><pjKZ0t6qULoAAAAAAAAAAAAAAAAAAAAB>: Logged out in=70 out=654 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:41:16 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30193, secured, session=<wB6e0t6qUroAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:41:16 echo dovecot: imap-login: Login: user=<colin@domain.ext>, method=PLAIN, rip=::1, lip=::1, mpid=30194, secured, session=<u2ie0t6qVLoAAAAAAAAAAAAAAAAAAAAB>
Jul 20 08:41:16 echo dovecot: imap(colin@domain.ext)<30194><u2ie0t6qVLoAAAAAAAAAAAAAAAAAAAAB>: Logged out in=119 out=795 deleted=0 expunged=0 trashed=0 hdr_count=0 hdr_bytes=0 body_count=0 body_bytes=0
Jul 20 08:41:16 echo dovecot: imap(colin@domain.ext)<30193><wB6e0t6qUroAAAAAAAAAAAAAAAAAAAAB>: Logged out in=317 out=6982 deleted=0 expunged=0 trashed=0 hdr_count=15 hdr_bytes=2563 body_count=0 body_bytes=0
Jul 20 08:41:45 echo postfix/smtp[30141]: connect to gmail-smtp-in.l.google.com[74.125.143.27]:25: Connection timed out
Jul 20 08:41:45 echo postfix/smtp[30141]: connect to gmail-smtp-in.l.google.com[2a00:1450:4013:c04::1a]:25: Network is unreachable

Однако в этом журнале я увидел, что электронное письмо было успешно отправлено получателю (не получено с внешнего адреса), но почему оно продолжает попытки через порт 25? Мой интернет-провайдер заблокировал его, и я хотел принудительно установить порт 587, потому что он будет работать в любой среде, с множеством сервисов / провайдеров. Также я вижу такие результаты, как Network is unreachable и Connection timed out много для служб на основе Gmail, решается ли это, когда он подключается через правильный порт?

Я также не могу получать почту на этом сервере с помощью Dovecot. Есть ли другой способ исправить это, так как я не смог найти ложных ответов о том, почему это не работает?

У меня также есть диагностический код от Roundcube об отправке, если это имеет смысл:

smtp; 554 5.7.1 <unknown[192.168.1.1]>: Client host rejected:
    Access denied

Было бы очень приятно, если бы кто-нибудь мог мне помочь с этим