On 8/14/23 11:33, Dan Malm via mailop wrote:
On 2023-08-14 11:05, Jaroslaw Rafa via mailop wrote:Dnia 14.08.2023 o godz. 10:42:53 Dan Malm via mailop pisze: Do you have AUTH turned on on port 25? Why? Or are they accessing the submission port?I don't think anything i wrote suggested this was relating port 25... They're connecting to port 465 to a system that is solely used for outbound mail. Inbound MX:es have different hostnames and IPs.
Then, as someone else suggested, this is probably caused by "outlook for mobile".
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