Beiträge von micha-ilm

    habe jetzt testweise einige Änderungen gemacht (resolv.conf domain und search eingetragen, mail bei hosts ergänzt, bei mailname mail.meine-domain.de eingetragen).

    Resultat bleibt das gleiche:
    kleine Mails werden direkt an den Empfänger geschickt,
    große Mails bleiben hängen

    /etc/hostname

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    mail

    /etc/mailname (xxxxxxx von mir ersetzt):

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    v22017012xxxxxxxxx.luckysrv.de

    /etc/hosts (ip und domain ersetzt)

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    127.0.0.1 localhost

    127.0.1.1 kvmimageinstall.yourvserver.net kvmimageinstall

    # The following lines are desirable for IPv6 capable hosts

    ::1 localhost ip6-localhost ip6-loopback

    ff02::1 ip6-allnodes

    ff02::2 ip6-allrouters

    37.xxx.xxx.xxx mail.[meine-domain.de] [meine-domain.de]

    /etc/resolv.conf

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    domain luckysrv.de

    search luckysrv.de

    nameserver 46.38.225.230

    nameserver 46.38.252.230

    Hallo,

    ich habe Probleme mit dem mailversand über meinen vserver.
    Es läuft Debian mit postfix und dovecot.
    Mails ohne Dateianhang können problemlos versendet werden.
    Nur leider passiert folgendes bei großen mails:

    Code
    Jan  1 06:27:26 mail postfix/smtp[31862]: 261AD1277EC: to=<root@mail.luckysrv.de>, relay=none, delay=160044, delays=160014/0/30/0, dsn=4.4.1, status=deferred (connect to mail.luckysrv.de[46.38.243.234]:25: Connection timed out)
    Jan  1 06:27:26 mail postfix/smtp[31880]: 26627127918: to=<root@mail.luckysrv.de>, relay=none, delay=428844, delays=428814/0.01/30/0, dsn=4.4.1, status=deferred (connect to mail.luckysrv.de[46.38.243.234]:25: Connection timed out)


    Die Mail bleibt im Postausgang hängen.

    main.cf: (meine-domain.de ist von mir ersetzt)

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    # 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 = mail.[meine-domain.de]

    biff = no

    # appending .domain is the MUA's job.

    append_dot_mydomain = no

    # Uncomment the next line to generate "delayed mail" warnings

    bounce_queue_lifetime = 3d

    delay_warning_time = 1h

    readme_directory = no

    # TLS parameters

    smtpd_tls_CAfile=/etc/postfix/certs/1_root_bundle.crt

    smtpd_tls_cert_file=/etc/letsencrypt/live/[meine-domain.de]/fullchain.pem

    smtpd_tls_key_file=/etc/letsencrypt/live/[meine-domain.de]/privkey.pem

    smtpd_tls_security_level=may

    smtpd_use_tls=yes

    smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache

    smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

    smtpd_sasl_auth_enable = yes

    smtpd_sasl_type = dovecot

    smtpd_sasl_path = private/auth

    smtpd_sasl_security_options = noanonymous

    smtpd_sasl_local_domain = mail.[meine-domain.de]

    # Virtual mailbox configuration

    # Domains seperated by ,

    virtual_mailbox_domains = [meine-domain.de]

    virtual_mailbox_base = /var/vmail

    virtual_uid_maps = 5000

    virtual_gid_maps = 5000

    virtual_transport = lmtp:unix:private/dovecot-lmtp

    # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for

    # information on enabling SSL in the smtp client.

    myhostname = mail.[meine-domain.de]

    alias_maps = hash:/etc/aliases

    alias_database = hash:/etc/aliases

    myorigin = /etc/mailname

    mydestination = mail, localhost.localdomain, localhost

    #relayhost = in-v3.mailjet.com

    #smtp_sasl_auth_enable = yes

    #smtp_sasl_password_maps = hash:/etc/postfix/sasl_auth

    #smtp_sasl_security_options = noanonymous

    mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.56.201/32

    mailbox_size_limit = 0

    home_mailbox = Maildir/

    recipient_delimiter = +

    inet_interfaces = all

    disable_dns_lookups = no

    message_size_limit = 2048000000

    virtual_mailbox_limit = 4096000000

    address_verify_negative_cache = no

    #Policies

    #strict_rfc831_envelopes = yes

    #disable_vrfy_command = yes

    smtpd_delay_reject = yes

    #Custom responses

    #unverified_recipient_reject_reason = 550 5.1.1 User doesn't exist.

    # Restrictions in order: client, helo, sender, relay/recipient

    smtpd_client_restrictions = permit_mynetworks,

    reject_unauth_pipelining,

    smtpd_helo_required = yes

    smtpd_helo_restrictions = permit_mynetworks,

    reject_invalid_helo_hostname,

    reject_non_fqdn_helo_hostname,

    smtpd_sender_restrictions = permit_mynetworks,

    reject_non_fqdn_sender,

    reject_unknown_sender_domain,

    # check_sender_access hash:/etc/postfix/sender_access,

    # Reject destination we're not responsible for, limit abuse or

    # prevent postfix become an open relay. (version >= 2.10 required)

    smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated,

    reject_unauth_destination,

    smtpd_recipient_restrictions =

    # General rules

    reject_non_fqdn_recipient,

    reject_unknown_recipient_domain,

    # Our users

    permit_mynetworks,

    permit_sasl_authenticated,

    # Spam filters

    reject_rbl_client zen.spamhaus.org,

    reject_rhsbl_reverse_client dbl.spamhaus.org,

    reject_rhsbl_helo dbl.spamhaus.org,

    reject_rhsbl_sender dbl.spamhaus.org,

    # This should be next-to-last

    # check_policy_service unix:private/postgrey,

    permit


    Bin für jede Hilfe dankbar.