Sziasztok!
Adott egy mail szerver:
Linux debian 4.0 2.6.24
postfix 2.3.8(spam szűrést ideiglenesen kikapcsoltam)
main.cf
# see /usr/share/postfix/main.cf.dist for a commented, fuller
# version of this file.
# Do not change these directory settings - they are critical to Postfix
# operation.
command_directory = /usr/sbin
daemon_directory = /usr/lib/postfix
program_directory = /usr/lib/postfix
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
setgid_group = postdrop
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
myhostname = debian.mydomain.hu
alias_maps = hash:/etc/aliases
virtual_alias_domains = myvirtualdomain.hu
virtual_maps = hash:/etc/postfix/virtual
transport_maps = hash:/etc/postfix/transport
myorigin = /etc/mailname
mydestination = akmail.mydomain.hu, debian.mydomain.hu, localhost.mydomain.hu, informatika.mydomain.hu, mydomain.hu, localhost
#mynetworks_style = class
mynetworks = 10.0.0.0/8 127.0.0.1 172.31.42.0/24
mailbox_command =
mailbox_size_limit = 0
recipient_delimiter = +
message_size_limit = 30000000
relay_domains = $mynetworks
disable_vrfy_command = yes
smtp_destination_concurrency_limit = 10
#relayhost = mail-gw3.sa.ew.hu
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_sasl_mechanism_filter = !gssapi, !external, static:all
relayhost = submit.invitel.hu
smtpd_hard_error_limit = 1000
smtpd_soft_error_limit = 1000
unknown_address_reject_code = 554
unknown_hostname_reject_code = 554
unknown_client_reject_code = 554
unknown_relay_recipient_reject_code = 554
unknown_local_recipient_reject_code = 550
unknown_sender_reject_code = 554
unknown_virtual_alias_reject_code = 554
unknown_virtual_mailbox_reject_code = 554
unverified_recipient_reject_code = 554
unverified_sender_reject_code = 554
smtpd_helo_required = yes
strict_rfc821_envelopes = yes
local_recipient_maps = $alias_maps unix:passwd.byname $virtual_maps
smtpd_sender_restrictions = reject_unknown_sender_domain
### check_client_access ->
smtpd_client_restrictions =
permit_mynetworks,
# reject_maps_rbl,
# reject_rbl_client relays.ordb.org,
# reject_rbl_client opm.blitzed.org,
# reject_rbl_client list.dsbl.org,
# reject_rbl_client sbl.spamhaus.org,
# reject_rbl_client cbl.abuseat.org,
reject_rbl_client dul.dnsbl.sorbs.net
reject_unknown_address,
reject_unknown_client,
reject_unauth_destination,
reject_invalid_hostname,
reject_unknown_recipient_domain,
check_client_access hash:/etc/postfix/postfix-rbl/spfilter_access
#maps_rbl_domains= dul.dnsbl.sorbs.net, blackholes.wirehub.net, china.blackholes.us, bl.spamcop.net, sbl-xbl.spamhaus.org, list.dsbl.org,
#proxies.relays.monkeys.com,
#EZT VEDD KI, HA BAJ VAN
#header_checks = regexp:/etc/postfix/header_checks
#mime_header_checks = regexp:/etc/postfix/mime_header_checks
#Body_checks = regexp:/etc/postfix/body_checks
max_idle = 10s
default_process_limit = 100
Outlook Express klienst próbáltam eddig és ha csatolmány nélkül küldök levelet megy pöpecül, akármilyen kicsi csatolmánnyal timeout a következő üzenettel:"A kiszolgáló váratlanul megszakította a kapcsolatot. Ez adódhat a kiszolgáló, a hálózat ...."
Mindennek a tetejébe ez csak akkor jön elő, ha egy mobilnetes(172.31.42.0/24) kapcsolaton keresztül csatlakozok a hálózatra. Ha lokálhálón(10.0.0.0/8) vagyok akkor megy a csatolmány.
Nemrég volt egy postfix upgrade és felkerült a mutt csomag, kb. azóta van a jelenség.
Bármilyen ötlet érdekel ami alapján elindulhatok, mert most egy kicsit nagyon tanácstalan lettem. Előre is köszönöm!