Author: Jan Henkins Date: To: users Subject: Re: [bitfolk] Email - getting out of spam filters
On 26/03/14 12:26, Ian wrote: > John Winters said:
>
>> I generally advise people to get a proper e-mail address instead.
> Quite.
>
> To add to the annoyance, they moan about people resending mail they're
> not going to deliver, but they reject it with a 421 (Service not
> available) temporary error rather than a 5xx permanent one.
>
> Even their own 'help (sic)' pages say a 421 error means..
>
> "Resources temporarily unavailable. Please try again later: This means
> that the Yahoo Mail servers are temporarily too busy. Your server should
> try to resend the message after a few minutes"
Hmm, that sounds like standard greylisting to me. I do it myself on my
server, cuts out at least 60% of the spam I get.
