nanog mailing list archives
Re: Mailserver requirements
From: Arnold Nipper <arnold () nipper de>
Date: Mon, 05 Apr 2004 23:53:15 +0200
On 05.04.2004 23:42 Daniel Roesen wrote:
On Mon, Apr 05, 2004 at 11:32:08PM +0200, Arnold Nipper wrote:I am surprised you don't have problems sending to AOL as well. They don't accept email from servers that do not have reverse addresses. I don't accept email from severs without reverse addressing.of course this server does have a reverse mapping. But this reverse mapped doamin does not have an MX record.Does it have an A RR?
It also does have an A RR. And the forward mapping does also match the IP address.
Anyway... it's a heuristic which definately does give false positives. The only requirement is that IF a domain/host accepts mail there MUST be a postmaster@ address.
In this case the host *sends* mail ... Arnold
Current thread:
- Mailserver requirements Arnold Nipper (Apr 05)
- Re: Mailserver requirements Niels Bakker (Apr 05)
- Re: Mailserver requirements Valdis . Kletnieks (Apr 05)
- Re: Mailserver requirements Charles Sprickman (Apr 05)
- Re: Mailserver requirements Peter Galbavy (Apr 06)
- <Possible follow-ups>
- RE: Mailserver requirements Mike Walter (Apr 05)
- Re: Mailserver requirements Arnold Nipper (Apr 05)
- Re: Mailserver requirements Daniel Roesen (Apr 05)
- Re: Mailserver requirements Arnold Nipper (Apr 05)
- Re: Mailserver requirements Daniel Roesen (Apr 05)
- Re: Mailserver requirements Jim Segrave (Apr 06)
- Re: Mailserver requirements Arnold Nipper (Apr 05)
- Re: Mailserver requirements Valdis . Kletnieks (Apr 05)
- Re: Mailserver requirements Richard Welty (Apr 05)
- Re: Mailserver requirements Niels Bakker (Apr 05)
- Re: Mailserver requirements Jeff Workman (Apr 05)
- Re: Mailserver requirements Richard Welty (Apr 05)