added mail server info for 'student.ethz.ch'

share/domains.csv

@@ -244,6 +244,7 @@ stronzi.org,mail.autistici.org,993,smtp.autistici.org,465
 stud.tu-darmstadt.de,imap.stud.tu-darmstadt.de,993,smtp.tu-darmstadt.de,465
 stud.uis.no,outlook.office365.com,993,smtp.office365.com,587
 stud.uni-bamberg.de,outlook.office365.com,993,smtp.office365.com,587
+student.ethz.ch,mail.ethz.ch,993,mail.ethz.ch,587
 student.rmit.edu.au,outlook.office365.com,993,smtp.office365.com,587
 student.tuwien.ac.at,mail.student.tuwien.ac.at,993,mail.student.tuwien.ac.at,587
 studenti.unipi.it,outlook.office365.com,993,smtp.office365.com,587