General open mailing list:
Subscribe to the vip@icann.org public mailing list for discussions on issues related to the IDN Variant TLDs Program by filling out the form available at: https://mm.icann.org/mailman/listinfo/vip.
Mailing list archives are available for consultation to all interested parties.
Anyone can subscribe and participate in this mailing list.
Individual case study mailing lists archives:
Arabic - https://mm.icann.org/mailman/listinfo/arabic-vip
Chinese - https://mm.icann.org/mailman/listinfo/chinese-vip
Cyrillic - https://mm.icann.org/mailman/listinfo/cyrillic-vip
Devanagari - https://mm.icann.org/mailman/listinfo/devanagari-vip
Greek - https://mm.icann.org/mailman/listinfo/greek-vip
Latin - https://mm.icann.org/mailman/listinfo/latin-vip
Posting in the individual case mailing lists was limited only to case study members. Archives are available to anyone.
The Integrated-VIP Mailing List Archives
The above link will take you to the Integrated VIP Team's archived emails where you can download an entire month's worth or just view by Thread, Subject, Author or Date.