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Janet Site E-mail Requirements What's this all about? Existing and new Janet customer organisations may choose to operate their own e-mail systems and services, or to procure all or parts of them externally in various ways. In any case there are some requirements which will ensure seamless interworking with other Janet organisations and with the wider Internet community, and they are outlined here.
Advice on delivering email to remote services Over the past few months, several Janet organisations have experienced problems with delivery of mail to Yahoo and BT addresses (BT's consumer e-mail service is outsourced to Yahoo).
Services The services can help make the mail facilities of Janet organisations more secure and robust. Janet also hosts several leading DNS Allow and deny lists which can help to protect users from email abuse. Allow and deny lists Advice
The Spamhaus Zen lists in Janet Janet makes available to all organisations with a Janet connection a maintained copy of the Spamhaus lists SBL, XBL and PBL, and the Zen list which is the union of those three. This document is for the information and guidance of those who manage or administer e-mail services within Janet organisations. If you think Janet is blocking your mail
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A list of Registrars that currently support Jisc domains (ac.uk/gov.scot/gov.wales/llyw.cymru). For the list of approved gov.uk registrars, please see: https://community.jisc.ac.uk/library/janet-services-documentation/govuk-approved-registrar-list The data is currently under review to show which registrars support 2FA.
The URIBL List in Janet Janet has taken out subscriptions for the multi.uribl.com list on behalf of all Janet customer organisations. This allows Janet to replicate the list and make it available to all organisations on Janet. The details of the multi.uribl.com list can be found at: http://www.uribl.com How to use the Janet URIBL list
DNSWL.org in Janet Janet subscribes to a DNS allow lists with dnswl.org on behalf of the Janet community, and allows access to this allow lists to all organisations with a Janet connection. The details of the allow lists can be found at:
If you are outside Janet and you believe a Janet organisation is blocking mail from you, please read this note before recording a complaint. A Janet mail server is blocking me. Why? Many Janet organisations use the Janet DNS deny lists (Spamhaus Zen) to refuse mail connections from listed IP addresses. Janet endorses this use but does not manage the content of the lists concerned. To find whether your mail server is on the list, fill in its IP address at