Hi,
The retry settings in exim.conf is standard.
begin retry
* * F,2h,15m; G,16h,1h,1.5; F,4d,8h
If there is any problem with the above settings, could anyone send me the
correct settings so that I can avoid problems in future.
On Saturday 07 May 2005 11:21, John W. Baxter wrote:
> On 5/6/2005 10:48, "Akhthar Parvez. K" <akhthar@???> wrote:
> > I saw some posts regarding Greylisting. But I could not see the exat one
> > that I wanted.
> >
> > My problem is, I have got a bounced email with the following error
> > message.
> >
> > xyz@???
> > SMTP error from remote mailer after RCPT
> > TO:<xyz@???>:
> > host mailserver[x.x.x.x]: 450
> > <xyz@???>:
> > Recipient address rejected: Greylisted. Please Try Again Later:
> > retry timeout exceeded
> >
> > Could anyone tell me if this is caused due to the problem of my
> > mailserver. Do I have to install Greylisting
> > to fix this issue? If not, what is the solution for this issue.
>
> Are you retrying at reasonable intervals for a new message with a temporary
> failure? Greylisting implementations generally have a minimum retry window
> (to get rid of spam engines which retry several times for a short time then
> give up) and a maximum retry time (to reduce the number of false hits that
> result from a different message from the same sender,recipient,IP).
>
> I don't know of anyone doing greylisting with an initial waiting time
> longer than 30 minutes (which is, after all, the SHOULD not retry until
> time in the mail RFCs)(but I'm sure there are some)...I know of some that
> set that to about 7 or 8 minutes. Four hours is fairly typical for the
> expiration limit (but not set in stone).
>
> You do need to check your Exim main log(s) (or appropriate substitute in
> syslog's collection if you've set that up) for the message in question, and
> see how often it was retried, and when.
>
> Exim works well (for us) sending to sites with reasonable greylisting
> setups (I haven't encountered a failure, but we might have them).
>
> You could try sending to me at jwbaxter@??? (address ruined years
> ago for spam reception...sigh!)
>
> --John
--
With Regards,
Akhthar
