Re: [exim] exim4, gmail and 550-5.7.1

> On 11 Dec 2015, at 21:22, Robert Steinmetz AIA <rob@???> wrote:
>
> I run two mail servers one postfix and the other exim4, both on Ubuntu.
>
> Any email to a gmail server is rejected with a 550-5.7.1 error, basically requiring a ipv6 ptr record.

Why use IPv6 if you have an IPv4 address? Have you found an email recipient that doesn’t accept email from IPv4 addresses?

If you really want to use IPv6, then move to an ISP that supports it properly.

--
Ian Eiloart
Postmaster, University of Sussex
+44 (0) 1273 87-3148