The server information

Server incoming and outgoing emails:
mail.nextron.ch

Ports with SSL encryption:
SMTP: port 587/465
POP: port 995
IMAP: port 993

Ports without SSL encryption:
SMTP: port 587/25
POP: port 110
IMAP: port 143

The outgoing mail server requires authentication.
The access data consists of the complete e-mail address (hans@muster.ch) and the password.

No limit for mail attachments

Spam and virus protection active.
SwissMailguard option possible for better protection.