Does anyone know what is the reason made the error？
Thanks very much
Hi @michel Check whether this content is use full to you.
How to setup Office 365 supported Mail_Sender configuration in APP10? | IFS CommunityThanks & RegardsShan
thank for your quick reply，
the customer doesn't use the office365 mail server.
if I changed the sercisty_protocol as smtp+starttls
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