Cant send email to gmail anymore

[Active8]

After upgrading dovecot and directadmin all my gmail email are bounced
Error is :

SMTP error from remote mail server after end of data:
host gmail-smtp-in.l.google.com [2a00:1450:400c:c05::1b]:
550-5.7.1 [2a01:7c8:aab1:253::1 16] 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=ipv6_authentication_error for more
550 5.7.1 information. hl3si1102111wib.44 - gsmtp

my PTR record is : "v=spf1 a mx ip4:xxxx ~all" (xxx is server ip)
What happens here?

 

[scsi]

You need to disable ipv6 if you dont use ipv6 in /etc/exim.conf

http://www.gossamer-threads.com/lists/exim/users/92653#92653

 

[Active8]

Hi scsi thansk for fast reply

So it is enough to add the following line in exim.conf:

disable_ipv6 = true

?

EDIT: It works now , thanks for all the help