Hi,
the general answer for sending mail to T-Online is to have an impress on
your site and ask for an unblock after publish.
The contact Address should be displayed in your SMTP error message.
(There was also a big conversation about that on Mailop at 10/19/22)
They write a bit about that on their Postmaster site:
https://postmaster.t-online.de/index.en.html
Kevin
On 11/26/22 16:36, John Devine via mailop wrote:
Was there any solution to small MTA’s sending mail to this lot?
JD
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