Greetings, again! As an FYI, I am beginning the migration of this list now. You may see emails to this list be paused for a period of time, but none is expected to be lost.
Thanks! Stephen * Stephen Frost (sfr...@snowman.net) wrote: > Greetings! > > The PostgreSQL Infrastructure team will be migrating the project's > mailing lists from the existing system (an ancient and unmaintained > piece of software called "majordomo2") to a newly developed mailing list > system (known as "PGLister"), which better addresses the needs of the > PostgreSQL community and is updated to work with recent improvements in > email technology and spam filtering. These changes will impact certain > aspects of the system but we are hopeful that these changes will have a > minimal impact on users, although everyone will notice the differences. > > We are planning to migrate this list on Friday, June 16th 2017, at about > 1300 UTC. > > The changes which we expect to be most significant to users can be found > on the wiki here: https://wiki.postgresql.org/wiki/PGLister_Announce the > current version of which is also included below. > > Note that the pgsql-hackers email list is used in examples below, but > this change applies to all project mailing lists. > > No adjustment of Subject: lines any longer > -------------------------------------------------------------------- > * The "Subject:" header will no longer be changed to include the name > of the list (for example, "[HACKERS]"). This change is to avoid > breaking DKIM [1] (a standard for preventing nefarious changes in > email between the sender and the receiver by calculating a hash of > certain headers and the body). Not breaking DKIM signed messages will > make it less likely that emails sent through our mailing lists will be > classified as spam. > > * If you filter your email based on those "Subject:" header insertions, > you will need to adjust your filtering rules. We recommend looking at > the industry standard "List-ID:" header instead. > > New email addresses for the lists > -------------------------------------------------------------------- > * Existing email addresses will continue to work for a while > > * For example, this means that pgsql-hack...@postgresql.org will change > to be pgsql-hackers@'''lists'''.postgresql.org. > > * Having a flat namespace that both lists and user accounts, as well as > other addresses, live in has been a maintenance issue for the > PostgreSQL Infrastructure team. It also prevents us from implementing > DKIM [1] on messages from postgresql.org. Moving the lists to > "lists.postgresql.org" reduces this burden, allows us to implement > DKIM [1], and allows additional flexibility for handling other lists > in the future. > > * The existing list email addresses will work for some time, but > eventually must be retired for us to realize the maintenance burden > reduction. > > Other email header changes > -------------------------------------------------------------------- > * The old majordomo2 system used both non-standard and industry standard > headers to provide information about which list a given message came > from. > > * PGLister will use standard, industry-recognized headers to identify > mailing list messages. The non-standard header "X-Mailing-List" will > no longer be included. Any users whose filters are based on this > non-standard header will need to adjust their filters. > > * The value of the headers will also be changing, to match the change > of list names. The header "List-ID" will be changed from, eg, > "List-ID: <pgsql-hackers.postgresql.org>" to > "List-ID: <pgsql-hackers.lists.postgresql.org>". Users who have > filters defined to use this header will need to adjust their filters > to account for this change. > > * Certain email providers should be able to take advantage of these > headers automatically to provide things such as an "Unsubscribe" > button, but we cannot guarantee this as it depends on their systems. > > Email footer removal > -------------------------------------------------------------------- > * The footer text inserted by the old majordomo2 system will no longer > be included in each email (the footer is the text which starts with: > "Sent via pgsql-hackers mailing list (pgsql-hack...@postgresql.org)"). > Removing the footer is necessary to avoid breaking DKIM [1] signed > messages as they pass through our system. > > Cross-posts not de-duped > -------------------------------------------------------------------- > * Emails cross-posted to multiple lists will no longer be de-duped, so > if posted to two lists the message will be delivered twice. Both > copies will have the same message-id (and can be locally de-duplicated > on that), but different envelope sender and recipient addresses. > > Managing subscriptions and unsubscribing > -------------------------------------------------------------------- > * PGLister includes a web interface which is greatly improved from > the old majordomo2 system. Users can log into the PGLister system > using their regular community account [2]. > > * The URL for users to manage their subscriptions in PGLister [3] is: > https://lists.postgresql.org/manage > > * At this page, users can subscribe, unsubscribe, and adjust > parameters associated with their mailing list subscriptions. > > * There is also an option at the above URL to have a test email > sent from the mailing list system as if it were being sent from the > list, to assist users with testing their filter settings. > > * List members who do not have a community account [2] may > create an account and then, through the PGLister web interface, > associate their email address(es) with their account. > > Digest capability offered by majordomo2 no longer supported > -------------------------------------------------------------------- > * This was discussed with a few of the users who use digest and > determined to be acceptable. > > * Using digest emails also caused problems when a user replies to > the digest email. > > * There are no plans to implement digest capabilities in PGLister > in the future. > > Thank you! > > Stephen (on behalf of the pginfra team) > > [1]: DKIM - https://en.wikipedia.org/wiki/DomainKeys_Identified_Mail > [2]: Community Account - https://www.postgresql.org/account > [3]: Manage subscriptions - https://lists.postgresql.org/manage
signature.asc
Description: Digital signature
