Author: Cyborg Date: To: exim-users Subject: Re: [exim] remote MX does not support STARTTLS
Am 23.09.20 um 19:36 schrieb Mike Tubby via Exim-users: >
>> My only guess is to try disabling CHUNKING or PRDR advertisement, to see
>> if one of those is confusing them.
>
> Disable chunking, enable TLS v1.1 and are you using RSA or ECC
> certificates at your end?
>
> IF it's one, it's PRDR . I checked our cluster chunking is enabled,
PRDR not, GMX cans end mails as expected.
