Re: [exim] rejecting transport if insecure

On 2017-12-01, Cyborg <cyborg2@???> wrote:
> Hi,
>
> is there way to stop mail delivery to external servers if those servers
> do NOT offer STARTTLS ?
>
> A DB depended condition, when to check it, would be awesome.

hosts_require_tls (option to SMTP tranport)

It takes a string which is expanded so you can do a database lookup
based on anything and return "*" to require STARTTLS and "" to not
require it.

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