On July 9, 2017 11:52:44 AM EDT, wie...@porcupine.org wrote: >Scott Talbert: >> On Sun, 9 Jul 2017, Wietse Venema wrote: >> >> >> Jul 7 23:10:57 bear postfix/smtp[29598]: 92F8422A0C90: >to=<a...@xyz.com>, >> >> relay=aspmx.l.google.com[2607:f8b0:400d:c0b::1a]:25, delay=0.65, >> >> delays=0.13/0/0.29/0.22, dsn=5.7.1, status=bounced (host >> >> aspmx.l.google.com[2607:f8b0:400d:c0b::1a] said: 550-5.7.1 >> >> [2607:f308:1:1::2 12] Our system has detected that this >message >> >> 550-5.7.1 is likely unsolicited mail. To reduce the amount of spam >sent to >> >> 550-5.7.1 Gmail, this message has been blocked. Please visit >550-5.7.1 >> >> https://support.google.com/mail/?p=UnsolicitedMessageError 550 >5.7.1 for >> >> more information. o74si4960796qkl.67 - gsmtp (in reply to end of >DATA >> >> command)) >> > >> > Was your mail really sent from 2607:f308:1:1::212? According to >DNS, >> > your primary MX is bear.techie.net, with IP addresses >205.134.185.202 >> > and 2607:f308:1:1::2. >> > >> > If may be worthwhile to fix the SMTP client IP address with >> > "smtp_bind_address6 = 2607:f308:1:1::2", at least for off-site >> > email. >> >> No, it's sent from 2607:f308:1:1::2. I don't know what the extra >spaces + >> 12 after the IP address mean in that error report from gmail. > >How do you know? Did you record the packets?
I'm pretty sure, but I will verify 100% with tcpdump. >I know that your primary MX service is not reachable on >2607:f308:1:1::2, >but it is reachable on 205.134.185.202. > > % telnet 2607:f308:1:1::2 smtp > Trying 2607:f308:1:1::2... > ^C > % telnet 205.134.185.202 smtp > Trying 205.134.185.202... > Connected to bear.techie.net. > Escape character is '^]'. > 220 bear.techie.net ESMTP Postfix (Ubuntu) > quit > 221 2.0.0 Bye Yes, that's because I have inet_protocols = ipv4 at the moment. Scott
