On 1/16/2020 6:06 AM, Wietse Venema wrote:
Viktor Dukhovni:
Therefore, if this were to be made possible, the right mechanism would
be to to somehow expedite message expiration, with normal processing
on message expiration happening earlier than it would otherwise.
I have a list of
Dnia 17.01.2020 o godz. 13:17:07 Matus UHLAR - fantomas pisze:
>
> The nullmx (IN MX .) is one of approaches but must be supported by
> mailservers (luckily it is supported by postfix)
>
> but I find it cleaner to only accept mail for domains with MX than for
> everyone with A records.
I think
Dnia 16.01.2020 o godz. 15:46:31 @lbutlr pisze:
Recheck? What do you mean> there is no rechecking the VALID domain is
looked up, it does not have an MX record, so postfix does not attempt to
deliver it and immediately bounces the message back to the user.
On 17.01.20 10:02, Jaroslaw Rafa
Dnia 17.01.2020 o godz. 04:17:39 Viktor Dukhovni pisze:
>
> > Instead of "u...@mailserver.domain.com" you type only
> > "u...@domain.com" - that's what MX record is for. But
> > "u...@mailserver.domain.com" is still perfectly valid and mail to such
> > address *has to be* be delivered.
>
> And
On Fri, Jan 17, 2020 at 10:02:28AM +0100, Jaroslaw Rafa wrote:
> It is a perfectly correct setup to not have an MX record for a domain,
> but to have an A record and receive email under that address.
So far so good...
> Instead of "u...@mailserver.domain.com" you type only
> "u...@domain.com" -
Dnia 16.01.2020 o godz. 15:46:31 @lbutlr pisze:
>
> Recheck? What do you mean> there is no rechecking the VALID domain is
> looked up, it does not have an MX record, so postfix does not attempt to
> deliver it and immediately bounces the message back to the user.
But it is wrong approach. It is
On Thu, Jan 16, 2020 at 12:51:18PM -0500, Viktor Dukhovni wrote:
On Thu, Jan 16, 2020 at 06:03:29PM +0100, Thomas wrote:
How can I check whether the recipient / operator of an email server
where I send email also operates one that offers it at all?
Respectively. what is the state of the art
