Hi, when trying to send e-mail, the following error is occuring : [ERROR] [rg.openhab.action.mail.internal.Mail] - Could not send e-mail to ‘toaddress@domain.tld’. org.apache.commons.mail.EmailException: javax.mail.internet.AddressException: Missing final ‘@domain’ in string ``“fromaddress@domain…

Stop openHAB. Delete mail.config. This is an auto generated “cached” version. Get your mail.cfg the way you want it, then reboot. (mail.config will be recreated)