I have a fairly generic configuration for smtpd accepting mail on an IPv6 interface. In the following email attempts, I'm seeing a 500 error from smtpd. The entry in /var/log/maillog is:
Sep 24 16:04:35 mail smtpd[9272]: 1285362275.rTy5IAatxEJ1PUGX: from=<i...@example.org>, relay=blog.example.net [IPv6:2001:x:y::25], stat=LocalError (500 Pipelining unsupported) The SMTP conversation looks as such: >>>> 220 mail.ipv6.example.org ESMTP OpenSMTPD EHLO ipv6.example.org 250-mail.ipv6.example.org Hello ipv6.example.net [IPv6:2001:x:y::25], pleased to meet you 250-8BITMIME 250 HELP MAIL FROM: <i...@example.net> 250 Sender ok RCPT TO: <al...@ipv6.example.org> 250 Recipient ok DATA 354 Enter mail, end with "." on a line by itself To: From: i...@example.net Message-ID: <4c9d12631b29a.1285362...@ipv6.example.net> Subject: Test Message Date: Fri, 24 September 2010 14:04:35 -0700 Hello . QUIT 500 Pipelining unsupported <<<<< Here's my /etc/mail/smtpd.conf listen on ::1 port 25 listen on 10.10.10.10 port 25 listen on 2001:h:h::5 port 25 hostname "mail.ipv6.example.org" map "aliases" { source db "/etc/mail/aliases.db" } map "virtual" { source db "/etc/mail/virtual.db" } accept from all for local alias aliases deliver to mbox accept from all for domain "ipv6.example.org" deliver to mbox accept for all relay The aliases.db file is generic as shipped, and the virtual.db table looks as such: # cat /etc/mail/virtual al...@ipv6.example.org: alice t...@ipv6.example.org: alice And a /var/run/dmesg.boot OpenBSD 4.7 (GENERIC) #112: Wed Mar 17 20:43:49 MDT 2010 dera...@amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC real mem = 267321344 (254MB) avail mem = 247496704 (236MB) mainbus0 at root bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xfbd3f (10 entries) bios0: vendor QEMU version "QEMU" date 01/01/2007 acpi0 at bios0: rev 0 acpi0: tables DSDT FACP APIC acpi0: wakeup devices acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat acpiprt0 at acpi0: bus 0 (PCI0) acpicpu0 at acpi0 mpbios at bios0 not configured cpu0 at mainbus0: (uniprocessor) cpu0: QEMU Virtual CPU version 0.9.1, 2400.48 MHz cpu0: FPU,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CFLUSH ,MMX,FXSR,SSE,SSE2,SSE3,NXE,LONG cpu0: 64KB 64b/line 2-way I-cache, 64KB 64b/line 2-way D-cache, 512KB 64b/line 1 6-way L2 cache cpu0: ITLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped cpu0: DTLB 255 4KB entries direct-mapped, 255 4MB entries direct-mapped pci0 at mainbus0 bus 0 pchb0 at pci0 dev 0 function 0 "Intel 82441FX" rev 0x02 pcib0 at pci0 dev 1 function 0 "Intel 82371SB ISA" rev 0x00 pciide0 at pci0 dev 1 function 1 "Intel 82371SB IDE" rev 0x00: DMA, channel 0 wi red to compatibility, channel 1 wired to compatibility wd0 at pciide0 channel 0 drive 0: <QEMU HARDDISK> wd0: 16-sector PIO, LBA48, 5632MB, 11534336 sectors atapiscsi0 at pciide0 channel 0 drive 1 scsibus0 at atapiscsi0: 2 targets cd0 at scsibus0 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 0.9.> ATAPI 5/cdrom removable wd0(pciide0:0:0): using PIO mode 0, DMA mode 2 cd0(pciide0:0:1): using PIO mode 0 atapiscsi1 at pciide0 channel 1 drive 0 scsibus1 at atapiscsi1: 2 targets cd1 at scsibus1 targ 0 lun 0: <QEMU, QEMU DVD-ROM, 0.9.> ATAPI 5/cdrom removable cd1(pciide0:1:0): using PIO mode 0 uhci0 at pci0 dev 1 function 2 "Intel 82371SB USB" rev 0x01: irq 11 piixpm0 at pci0 dev 1 function 3 "Intel 82371AB Power" rev 0x03: irq 10 iic0 at piixpm0 iic0: addr 0x18 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words 00=0 000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 iic0: addr 0x1a 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words 00=0 000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 iic0: addr 0x29 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words 00=0 000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 iic0: addr 0x2b 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 words 00=0 000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 iic0: addr 0x48 48=00 words 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0 000 07=0000 iic0: addr 0x49 48=00 words 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0 000 07=0000 iic0: addr 0x4a 48=00 words 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0 000 07=0000 iic0: addr 0x4b 48=00 words 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0 000 07=0000 iic0: addr 0x4c 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 48=00 word s 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 iic0: addr 0x4d 48=00 words 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 iic0: addr 0x4e 00=00 01=00 02=00 03=00 04=00 05=00 06=00 07=00 08=00 48=00 word s 00=0000 01=0000 02=0000 03=0000 04=0000 05=0000 06=0000 07=0000 vga1 at pci0 dev 2 function 0 "Cirrus Logic CL-GD5446" rev 0x00 wsdisplay0 at vga1 mux 1: console (80x25, vt100 emulation) wsdisplay0: screen 1-5 added (80x25, vt100 emulation) em0 at pci0 dev 3 function 0 "Intel PRO/1000MT (82540EM)" rev 0x03: irq 11, addr ess 52:54:00:27:24:33 "Qumranet Virtio Memory" rev 0x00 at pci0 dev 4 function 0 not configured "Qumranet Virtio Console" rev 0x00 at pci0 dev 5 function 0 not configured isa0 at pcib0 isadma0 at isa0 com0 at isa0 port 0x3f8/8 irq 4: ns16550a, 16 byte fifo com0: probed fifo depth: 0 bytes pckbc0 at isa0 port 0x60/5 pckbd0 at pckbc0 (kbd slot) pckbc0: using irq 1 for kbd slot wskbd0 at pckbd0: console keyboard, using wsdisplay0 pmsi0 at pckbc0 (aux slot) pckbc0: using irq 12 for aux slot wsmouse0 at pmsi0 mux 0 pcppi0 at isa0 port 0x61 midi0 at pcppi0: <PC speaker> spkr0 at pcppi0 fdc0 at isa0 port 0x3f0/6 irq 6 drq 2 fd0 at fdc0 drive 0: density unknown fd1 at fdc0 drive 1: density unknown usb0 at uhci0: USB revision 1.0 uhub0 at usb0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 nvram: invalid checksum mtrr: Pentium Pro MTRR support vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root root on wd0a swap on wd0b dump on wd0b clock: unknown CMOS layout Any help is appreciated