Using RemoteUI, gone to Settings & Registration > Network Settings > Port Number SettingsI set the SMTP port to 465Using RemoteUI, gone to Settings & Registration > TX Settings > E-Mail/I-Fax SettingsSMTP server: smtp.ionos.comE-mail address: (userna...
Hi,Thanks for your reply. I do think IONOS's SMTP server requirements has been changed. However, they said they didn't change anything. I also changed the port from 587 to 465, but it's not working.