Dňa 7. 9. o 20:20 John Levine via mailop napísal(a): > It appears that John Capo via mailop <j...@irbs.com> said: >> The only IPv6 issues I have seen, other than transit only via HE, is >> delivering to Google. Google seems to assume that mail via IPv6 is spam. >> The same mail flow via IPv4 is OK with Google. Proper DNS and all that >> stuff, of course. > > Google has clearly said that IPv6 mail has to be authenticated. Add DKIM > signatures and you'll have a lot more success.
When they try to check DKIM signature when IPv6 connection was refused at all (redacted): 2021-09-03 11:10:19 1mM5DF-0005en-PL <= u...@domain.tld H=servac.skk [192.168.10.11] S=1899 id=some...@domain.tld 2021-09-03 11:10:19 1mM5DF-0005en-PL H=gmail-smtp-in.l.google.com [2a00:1450:400c:c07::1b] Connection refused 2021-09-03 11:10:21 1mM5DF-0005en-PL => 026...@gmail.com R=dnslookup T=remote_smtp H=gmail-smtp-in.l.google.com [74.125.133.27] C="250 2.0.0 OK h13si4784520wrs.127 - gsmtp" QT=3s DT=1s 2021-09-03 11:10:21 1mM5DF-0005en-PL Completed QT=3s regards _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop
