Thank you Wietse,I contacted them and they seem to have adjusted their software so that it behaves more "appropriately". No protocol errors any more.
Best regards, Nick On 9/1/2014 2:01 μμ, Wietse Venema wrote:
They have a buggy SMTP client. The client is PIPELINING the SMTP commands, but Postfix has not announced support for SMTP command PIPELINING.
