The username in all cases is your complete email address (e.g. myemail@mydomain.net).
We do not recommend using POP3 for new devices or accounts. It is provided for legacy support only.
All server fields can be set to tmsaxigen01.tmsmail.net for any device.
Some clients also require an authorization setting (sometimes called "Auth"), usually under SMTP settings: use PLAIN.
Spam is quarantined at spamx.tmslink.net and can be reviewed there. Should you need help with your email or spam filtering, please contact support.