Hello,
Now my problem is o send mail.
View erro
This is the mail system at host ubuntu.members.linode.com.
I’m sorry to have to inform you that your message could not
be delivered to one or more recipients. It’s attached below.
For further assistance, please send mail to postmaster.
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The mail system
[email protected]: host
gmail-smtp-in.l.google.com[2a00:1450:400c:c0c::1a] said: 550-5.7.1
[2a01:7e00::f03c:91ff:fe4e:5c0b] Our system has detected that this
550-5.7.1 message does not meet IPv6 sending guidelines regarding PTR
records 550-5.7.1 and authentication. Please review 550-5.7.1
https://support.google.com/mail/?p=IPv6AuthError for more information 550
5.7.1 . w11-v6si6015211wrn.206 - gsmtp (in reply to end of DATA command)
Reporting-MTA: dns; ubuntu.members.linode.com
X-Postfix-Queue-ID: 1FB7522534
X-Postfix-Sender: rfc822; [email protected]
Arrival-Date: Mon, 20 Aug 2018 01:46:54 +0000 (UTC)
Final-Recipient: rfc822; [email protected]
Original-Recipient: rfc822;[email protected]
Action: failed
Status: 5.7.1
Remote-MTA: dns; gmail-smtp-in.l.google.com
Diagnostic-Code: smtp; 550-5.7.1 [2a01:7e00::f03c:91ff:fe4e:5c0b] Our system
has detected that this 550-5.7.1 message does not meet IPv6 sending
guidelines regarding PTR records 550-5.7.1 and authentication. Please
review 550-5.7.1 https://support.google.com/mail/?p=IPv6AuthError for more
information 550 5.7.1 . w11-v6si6015211wrn.206 - gsmtp
My host is not ubuntu.members.linode.com, what change my host?