Incoming (POP) Server: pop.1and1.com
Incoming (POP) Port: 995
Connection type: SSL
Outgoing (SMTP) Server: smtp.1and1.com
Outgoing (SMTP) Port: 587
Outgoing (SMTP) Connection: STARTTLS
SMTP Authentication IS required.
Incoming (IMAP) Server: imap.1and1.com
Incoming (IMAP) Port: 993
Incoming (IMAP) Connection: SSL
Outgoing (SMTP) Server: smtp.1and1.com
Outgoing (SMTP) Port: 587
Outgoing (SMTP) Connection: STARTTLS
SMTP Authentication IS required.