Postfix timeout bei großen mails

# 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

mail

v22017012xxxxxxxxx.luckysrv.de

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]

domain luckysrv.de

search luckysrv.de

nameserver 46.38.225.230

nameserver 46.38.252.230