Date: Thu, 1 Aug 2013 14:40:43 +0400 From: Pavel Timofeev <timp87@gmail.com> Cc: freebsd-stable@freebsd.org Subject: Re: Strange sendmail behaviour after upgrade to 9.1-BETA2 Message-ID: <CAAoTqfsdq%2B31RixZ7BHMt7JyG2W9cXifMp_QSUjEcTAmU3Q1uQ@mail.gmail.com> In-Reply-To: <CAAoTqfuBxCpbXON-aa98BgVQz6mZyG-yTkO7630p74eV%2BQvTmQ@mail.gmail.com> References: <CAAoTqfvmsYc=fE9AZyzf9GKBtbazdu%2B3jmD5TjhMqQHDnrtrkw@mail.gmail.com> <CAAoTqfsftjLQMLZpnwtPJYV2gKEn3kumYVycKroi5%2BaEbjEoJQ@mail.gmail.com> <CAAoTqftbCS_g45e6m9tXhR0wc3Q5-9kWmUDCANX597h8DRQakg@mail.gmail.com> <CAAoTqfuqYkgHg9--wev8Qji7fVvDVB-BVdP1hO=KD4SfuP-RXw@mail.gmail.com> <CAAoTqftW2KJtQnZpk=DV6snXyu21agdaX_8ku0%2B623FDVW71gw@mail.gmail.com> <CAAoTqfv_XAwCUkBh4WFhdNTEe7wZ4_Sbpis3OCacUrwoT-p4NA@mail.gmail.com> <CABXB=RQdycdQKGbOh2tNvzyTpOGSyq6hCAFj=5BAHPMtg90YKQ@mail.gmail.com> <CAAoTqfu%2BYt5cd%2BOwXqesNcJqatLiZgOssYgLB0CD6ot%2BEp6-KQ@mail.gmail.com> <CAAoTqfuBxCpbXON-aa98BgVQz6mZyG-yTkO7630p74eV%2BQvTmQ@mail.gmail.com>
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Ok, I understand. Thanks a lot for excelent explanation. Maybe sendmail ignores additional section? I use _default_ fresh system, so resolver is _default_ bind. For investigation I've just installed fresh 9.1-RELEASE amd64, email delivery works and picture looks different than on 9.2: 14:30:45.061950 IP 10.0.2.15.30979 > hercules.xxx.ru.domain: 62684+ MX? xxx.ru. (24) 14:30:45.063064 IP hercules.xxx.ru.domain > 10.0.2.15.30979: 62684* 1/0/1 MX kalmar.xxx.ru. 10 (63) 14:30:45.063624 IP 10.0.2.15.39212 > hercules.xxx.ru.domain: 62685+ AAAA? kalmar.xxx.ru. (31) 14:30:45.064460 IP hercules.xxx.ru.domain > 10.0.2.15.39212: 62685* 0/1/0 (82) 14:30:45.064766 IP 10.0.2.15.44381 > hercules.xxx.ru.domain: 62686+ A? kalmar.xxx.ru. (31) 14:30:45.065530 IP hercules.xxx.ru.domain > 10.0.2.15.44381: 62686* 1/0/0 A 192.168.31.190 (47) 14:30:45.066014 IP 10.0.2.15.42197 > hercules.xxx.ru.domain: 62687+ A? kalmar.xxx.ru. (31) 14:30:45.066810 IP hercules.xxx.ru.domain > 10.0.2.15.42197: 62687* 1/0/0 A 192.168.31.190 (47) 14:30:45.071833 IP 10.0.2.15.23534 > hercules.xxx.ru.domain: 62688+ PTR? 15.2.0.10.in-addr.arpa. (40) Now it asks AAAA _and_ A record of mx server and email works. I'm confused =( 2013/8/1 Pavel Timofeev <timp87@gmail.com>: > to Matthew Seaman > No luck > > root@test:/etc/mail # grep ip /etc/rc.conf > #ipv6_activate_all_interfaces="NO" > #ipv6_network_interfaces="none" > ip6addrctl_enable="YES" > ip6addrctl_policy="ipv4_prefer" > > root@test:/etc/mail # ip6addrctl > Prefix Prec Label Use > ::1/128 50 0 0 > ::/0 40 1 0 > ::ffff:0.0.0.0/96 100 4 0 > 2002::/16 30 2 0 > 2001::/32 5 5 0 > fc00::/7 3 13 0 > ::/96 1 3 0 > fec0::/10 1 11 0 > 3ffe::/16 1 12 0 > > I stress, this is fresh system which was installed from official BETA2 > img and I didn't configure anything else. It's default system. > > 2013/8/1 Pavel Timofeev <timp87@gmail.com>: >> I tried, but it didn't work. >> # grep ip /etc/rc.conf >> ipv6_activate_all_interfaces="NO" >> ipv6_network_interfaces="none" >> ip6addrctl_enable="NO" >> ip6addrctl_policy="ipv4_prefer" >> # ip6addrctl show >> no source-address-selection policy is installed >> >> Or I did it wrong? >> >> 2013/7/31 J David <j.david.lists@gmail.com>: >>> On Wed, Jul 31, 2013 at 8:54 AM, Pavel Timofeev <timp87@gmail.com> wrote: >>>> I've just installed new fresh 9.2-BETA2 amd64 on another machine. >>>> Same behavior - Sendmail asks DNS only for AAAA record of mx server. >>> >>> We also noticed one of our machines suddenly started using IPv6 to >>> send outbound email (from Postfix rather than Sendmail) after it was >>> upgraded from 8.4 to 9-STABLE a bit ago. >>> >>> I think there's been a change in the default IPv6 behavior between 8 >>> and 9. Probably one of the many important things in UPDATING that >>> always seems to slip past me. >>> >>> We use IPv6 extensively, so we were pleased after the initial >>> surprise, but if you don't then ip6addrctl is probably the right >>> temporary answer until you do.
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