diff --git a/share/domains.csv b/share/domains.csv
index 2c0c3e7..86bb5e8 100644
--- a/share/domains.csv
+++ b/share/domains.csv
@@ -108,6 +108,7 @@ grrlz.net,mail.autistici.org,993,smtp.autistici.org,465
 hacari.com,mail.autistici.org,993,smtp.autistici.org,465
 hacari.net,mail.autistici.org,993,smtp.autistici.org,465
 hacari.org,mail.autistici.org,993,smtp.autistici.org,465
+helsinki.fi,outlook.office365.com,993,smtp.helsinki.fi,587
 hhu.de,mail.hhu.de,993,mail.hhu.de,465
 hitler.rocks,mail.cock.li,993,mail.cock.li,587
 horsefucker.org,mail.cock.li,993,mail.cock.li,587