Tom Playford wrote:
> I've been sending emails to *.ox.ac.uk for years, a few weeks ago all my
> emails started getting
> delayed, and then eventually cancelled, with this error:
>
> 2004-04-28 21:53:09 1BIQbt-0000qF-00 ==
> help@??? T=remote_smtp defer
> (0): SMTP error from remote mailer after RCPT
> TO:<help@???>: host
> oxmail.ox.ac.uk [163.1.2.161]: 451-Invalid HELO (**my-server-name**)
> used by **my-server-ip**. See
> RFC2821 S4.1.1.1 for syntax\n451-of the HELO command. This is a
> temporary error. You may try again
> after\n451 this server (**my-server-ip**) has been fixed.
>
> I have spoken to computing-services at Oxford at they say it's a fault
> at my end. This is strange as
> I haven't changed my configuration or upgraded exim for months.
>
> Does anyone have any suggestions, is it a fault at my end at all?
