oh, and run “postfix check” as the superuser.
That will show up any obvious errors. > On 11 Dec 2018, at 10:35, Marco Fioretti <marco.fiore...@gmail.com> wrote: > > hello all, > this is the same server, same situation for which I asked for help > yesterday. Right now, after trying to test and follow up the advice > received, this is the status: > > IMAPS: not working yet because of SSL "no shared cipher". Details > here: https://dovecot.org/pipermail/dovecot/2018-December/113862.html > > POSTFIX: with the current configuration (see postconf -n output below) > it seems I can: > > * receive email from all the mailing lists/newsletters I am subscribed to > > * connect with mutt from my home computer, and send email through this > server to any other MTA I could use for testing, with two > "exceptions": > > gmail still refuses connection, see below what I got from the last > test a few minutes ago > > one server does accepts and deliver my messages, but flags them as > spam (no idea why, all I see is a "X-Spam-Flag: YES" header... > > NOTIFICATION BY GMAIL: > > <marco.fiore...@gmail.com>: host > gmail-smtp-in.l.google.com[2a00:1450:400c:c0c::1b] said: 550-5.7.1 > [XXXXXXXXXXXX] Our system has detected that this message does > 550-5.7.1 not meet IPv6 sending guidelines regarding PTR records and > 550-5.7.1 authentication. Please review 550-5.7.1 > https://support.google.com/mail/?p=IPv6AuthError for more information 550 > 5.7.1 . t6si9122052wrw.74 - gsmtp (in reply to end of DATA command) > > Fact is, "XXXXXXXXXXXX" is the ipv6 address of the server for which I > *did* add a reverse entry some hours ago (and I had done the same for > the ipv4 dns record yesterday). In other words, I don't know what else > I could / should do at this point on the DNS side. > > Here is the output of postconf -n: > > alias_database = hash:/etc/aliases > alias_maps = hash:/etc/aliases > command_directory = /usr/sbin > config_directory = /etc/postfix > daemon_directory = /usr/libexec/postfix > debug_peer_level = 2 > debugger_command = PATH=/bin:/usr/bin:/usr/local/bin:/usr/X11R6/bin > xxgdb $daemon_directory/$process_name $process_id & sleep 5 > disable_vrfy_command = yes > html_directory = /usr/share/doc/postfix-2.4.3-documentation/html > inet_interfaces = all > mail_owner = postfix > mailq_path = /usr/bin/mailq.postfix > manpage_directory = /usr/share/man > mydestination = $myhostname, localhost > mydomain = $myhostname > myhostname = a.mx.MYDOMAIN > mynetworks = 127.0.0.0/8, my.home.ip.address > myorigin = $mydomain > newaliases_path = /usr/bin/newaliases.postfix > non_smtpd_milters = inet:localhost:8891 > procmail_destination_recipient_limit = 1 > queue_directory = /var/spool/postfix > readme_directory = /usr/share/doc/postfix-2.4.3-documentation/readme > relay_domains = > sample_directory = /etc/postfix > sender_dependent_relayhost_maps = hash:/etc/postfix/mymaps/relayhost_maps > sendmail_path = /usr/sbin/sendmail.postfix > setgid_group = postdrop > smtp_sasl_auth_enable = yes > smtp_sasl_mechanism_filter = > smtp_sasl_password_maps = hash:/etc/postfix/mymaps/sasl_passwd > smtp_sasl_security_options = noanonymous > smtp_sasl_tls_security_options = noanonymous > smtp_sasl_type = cyrus > smtp_sender_dependent_authentication = yes > smtp_tls_security_level = may > smtpd_helo_required = yes > smtpd_helo_restrictions = > smtpd_milters = inet:localhost:8891 > smtpd_recipient_restrictions = reject_invalid_hostname, > reject_non_fqdn_hostname, reject_non_fqdn_sender, > reject_non_fqdn_recipient, reject_unknown_sender_domain, > reject_unknown_recipient_domain, permit_mynetworks, > permit_sasl_authenticated, reject_unauth_destination, > check_helo_access hash:/etc/postfix/reject_own_helo, > check_policy_service unix:postgrey/socket > smtpd_sasl_auth_enable = yes > smtpd_sasl_path = /var/spool/postfix/private/auth > smtpd_sasl_type = dovecot > smtpd_tls_auth_only = yes > smtpd_tls_cert_file = /etc/letsencrypt/archive/MYDOMAIN/fullchain1.pem > smtpd_tls_key_file = /etc/letsencrypt/archive/MYDOMAIN/privkey1.pem > smtpd_tls_loglevel = 1 > smtpd_tls_security_level = may > strict_rfc821_envelopes = yes > unknown_address_reject_code = 554 > unknown_client_reject_code = 554 > unknown_hostname_reject_code = 554 > unknown_local_recipient_reject_code = 550 > virtual_alias_maps = hash:/etc/postfix/mymaps/valias.map > virtual_gid_maps = static:5000 > virtual_mailbox_base = /var/mail/mymail_storage > virtual_mailbox_domains = /etc/postfix/mymaps/vhosts.map > virtual_mailbox_maps = hash:/etc/postfix/mymaps/vmailboxes.map > virtual_transport = procmail > virtual_uid_maps = static:5000 > postconf: warning: /etc/postfix/main.cf: unused parameter: > smtp_tls_auth_only=yes Robert Chalmers https://robert-chalmers.uk aut...@robert-chalmers.uk @R_A_Chalmers
