In regards to:
>(notably sendmail). Very useful at best, and at worst only costs the time
for a reverse look-up. Worth adding to the low-priority desirable features
list.
I would like to say:
While I agree that the option to do reverse lookups would be very good (as
an option), that the time taken for reverse lookups can be huge! Huge
enough to make the guy at the other end think your server timed out, like
sendmail often appears to do when waiting for reverse lookups to fail...
-V
----- Original Message -----
From: Aaron Roydhouse <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, August 28, 1999 10:08 AM
Subject: Re: [IMail Forum] Reverse DNS
> Doing DNS reverse look-ups and not accepting messages are two different
> things.
>
> IMail could do a reverse look-up, then if the IP and hostname do not
match,
> this could be indicated in the message header to help the eventual
recipient
> to identify or filter dodgy email (at their own discretion). IMail would
> still accept the mail, whether the reverse look-up matched or not.
>
> This is a facility commonly provided by other mail servers (notably
> sendmail). Very useful at best, and at worst only costs the time for a
> reverse look-up. Worth adding to the low-priority desirable features list.
>
> Aaron.
>
> ----- Original Message -----
> From: Daniel Donnelly <[EMAIL PROTECTED]>
> To: <[EMAIL PROTECTED]>
> Sent: Saturday, 21 August 1999 02:55
> Subject: Re: [IMail Forum] Reverse DNS
>
>
> > No, IMail does not, because it is a violation of RFC to not accept mail
> from a
> > host whose IP and hostname do not match.
> >
> > Daniel Donnelly
> > Ipswitch Technical Support
> > ________________________________________________________
> > See our Knowledge Base at http://support.ipswitch.com/kb
> > URL for List Servers: http://www.ipswitch.com/Support/mailing-lists.html
> >
> >
> > In reply to 19 Aug message from [EMAIL PROTECTED]:
> >
> >
> > >Can someone please tell me whether IMail Server does a reverse DNS
> > >lookup on receiving messages form another SMTP host ?
> >
> > >Do most mail servers in the Internet do reverse DNS lookups upon
> > >receiving mail ?
> >
> > >Thanks
> >
> > >Ruediger
> >
> >
> >
> >
> > Please visit http://www.ipswitch.com/support/mailing-lists.html
> > to be removed from this list.
> >
>
> Please visit http://www.ipswitch.com/support/mailing-lists.html
> to be removed from this list.
>
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