Normalerweise kommen Mails an, außer es sind extrem große. Beim Virenscanner wird bzgl. Backup gemeckert, aber deswegen kommen die Mails ja an.
$ postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no broken_sasl_auth_clients = yes compatibility_level = 2 content_filter = smtp-amavis:[127.0.0.1]:10024 default_transport = error home_mailbox = Maildir/ inet_interfaces = loopback-only inet_protocols = all mailbox_command = /usr/lib/dovecot/deliver -c /etc/dovecot/dovecot.conf -m "${EXTENSION}" mailbox_size_limit = 0 message_size_limit = 0 mydestination = $myhostname, sv.local.......eu.org, localhost.local.......eu.org, localhost myhostname = sv.local.......eu.org mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relay_transport = error relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_recipient_restrictions = reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_authenticated_header = yes smtpd_sasl_local_domain = $myhostname smtpd_sasl_path = private/dovecot-auth smtpd_sasl_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_sender_restrictions = reject_unknown_sender_domain smtpd_tls_auth_only = yes smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key smtpd_tls_mandatory_ciphers = medium smtpd_tls_mandatory_protocols = SSLv3, TLSv1 smtpd_tls_received_header = yes smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes tls_random_source = dev:/dev/urandom
Für Postfix ist also definiert:
mailbox_size_limit = 0 message_size_limit = 0
Somit sollten auch am lokalen PC Mails durchgelassen werden, sofern sie der SMTP-Server des Senders erlaubt. Zufällig habe ich bei einer manuellen Fetchmail-Abfrage gesehen, dass da riesige Mails kommen.
Aus dem Maillog:
Dec 2 18:27:07 sv postfix/qmgr[3095]: A3E5F45970EA: from=<no.reply+caf_=..=....at@...eu.org>, size=1330959, nrcpt=1 (queue active) Dec 2 18:27:07 sv amavis[2890]: (02890-03) (!)run_av (ClamAV-clamd) FAILED - unexpected , output="/var/lib/amavis/tmp/amavis-20191202T182156-02890-2wl89nk9/parts: lstat() failed: Permission denied. ERROR\n" Dec 2 18:27:07 sv amavis[2890]: (02890-03) (!)ClamAV-clamd av-scanner FAILED: CODE(0x55f9a3027df8) unexpected , output="/var/lib/amavis/tmp/amavis-20191202T182156-02890-2wl89nk9/parts: lstat() failed: Permission denied. ERROR\n" at (eval 110) line 951. Dec 2 18:27:07 sv amavis[2890]: (02890-03) (!)WARN: all primary virus scanners failed, considering backups Dec 2 18:27:10 sv postfix/smtpd[3747]: 3342645970EE: client=localhost[127.0.0.1] Dec 2 18:27:10 sv postfix/cleanup[3877]: 3342645970EE: message-id=<USs7SRf5SM-MVROOBa86Kg@ismtpd0004p1lon1.sendgrid.net> Dec 2 18:27:11 sv postfix/qmgr[3095]: 3342645970EE: from=<no.reply+caf_=..=....at@...eu.org>, size=35892, nrcpt=1 (queue active) Dec 2 18:27:11 sv amavis[2891]: (02891-03) (!)run_av (ClamAV-clamd) FAILED - unexpected , output="/var/lib/amavis/tmp/amavis-20191202T182156-02891-YFtNncAF/parts: lstat() failed: Permission denied. ERROR\n" Dec 2 18:27:11 sv amavis[2891]: (02891-03) (!)ClamAV-clamd av-scanner FAILED: CODE(0x55f9a3027df8) unexpected , output="/var/lib/amavis/tmp/amavis-20191202T182156-02891-YFtNncAF/parts: lstat() failed: Permission denied. ERROR\n" at (eval 110) line 951. Dec 2 18:27:11 sv amavis[2891]: (02891-03) (!)WARN: all primary virus scanners failed, considering backups
"primary virus scanners failed, considering backups" sollte IMHO kein Problem sein, habe nicht herausgefunden, warum der Clamav als primary nicht akzeptiert wird, obwohl ich ihn eingetragen habe, Viel mehr inteessiert mich, ab welcher Größe Mails verschwinden. In diesem Fall sind es viele dumm versendete Handyfotos wo der Sender froh ist, dass er/sie es überhaupt schafft Attachments zu versenden.