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feat: support setup without domain, with only an IPv4 address#963

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hpk42 merged 16 commits into
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ipv4-relay
May 11, 2026
Merged

feat: support setup without domain, with only an IPv4 address#963
hpk42 merged 16 commits into
mainfrom
ipv4-relay

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@hpk42

@hpk42 hpk42 commented May 10, 2026

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this is #919 but rebased on current main and with adapated CI

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@hpk42 hpk42 changed the title draft: Ipv4 relay feat: Ipv4 relay May 10, 2026
@hpk42 hpk42 mentioned this pull request May 10, 2026
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j4n
j4n approved these changes May 11, 2026
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looks good to me, I guess regular <-> ipv4 interoperability test will be deferred to the nightly?

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Okay, I guess we all agree on a naming scheme for the possible domain variables now :)

@missytake missytake changed the title feat: Ipv4 relay feat: support setup without domain, with only an IPv4 address May 11, 2026
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missytake
missytake reviewed May 11, 2026
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Comment thread .github/workflows/ci-no-dns.yaml
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missytake and others added 15 commits May 11, 2026 20:09
@missytake @hpk42
dovecot: enable login names with square brackets
cc2a962
@missytake @hpk42
config: make IPv4-only relays use self-signed TLS certs
21a7b56
@missytake @hpk42
postfix: make delivery for IP-only relays work
ebbbbfc
@missytake @hpk42
cmdeploy: skip DNS checks for IPv4 only relays
c56c519
@missytake @hpk42
www: generate dclogin codes for IPv4-only relays
ff67b69
@missytake @hpk42
opendkim: disable DKIM signing on ipv4-only relays
b5633f2
@missytake @hpk42
get delivery working
2c5c8d7
@missytake @hpk42
get tests working on IPv4 only machine
db00af2
@missytake @hpk42
doc: document IPv4-only relays
b723450
@missytake @hpk42
dns: warn if mail_domain is an IP, instead of checking DNS
03ec32f
@missytake @hpk42
config: validate domains when formatting them
788304f
@missytake @hpk42
ci: add cmlxc testing for no-DNS relays
39aee24
@missytake @hpk42
ci: run no-dns and normal CI in parallel
de1b268
@hpk42
retain "config.mail_domain" as the domain part of @ email addresses, …
787d86f 
…so for ipv4 relays "[1.2.3.4]" and introduce config.ipv4_relay and config.mail_domain_bare helpers.
@hpk42
ci: migrate from --no-dns to --type ipv4 for cmlxc compatibility
6c84efb
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@hpk42
hpk42 merged commit 4ebde28 into main May 11, 2026
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@hpk42
hpk42 deleted the ipv4-relay branch May 11, 2026 19:52
@link2xt link2xt mentioned this pull request Jun 3, 2026
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@missytake missytake missytake approved these changes
@j4n j4n j4n approved these changes

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