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feat: add configurable SMTP HELO hostname (#2146)

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* feat: add configurable SMTP HELO hostname

Allow the SMTP HELO/EHLO hostname to be configured separately from
the SMTP server hostname.

This is useful when the SMTP server requires clients to identify
themselves with a fully qualified hostname different from the server
address.

* chore: remove vendored dependency changes

* Bump go-pkgz/notify to v1.4.0 and document SMTP_HELO_HOST

The HELOHost field lands in go-pkgz/notify v1.4.0, so the branch needs the
bump to compile; v1.3.0 in master has no such field. The example module is
tidied alongside, as any change to backend/go.mod requires.

Documents the parameter in the parameters table and, separately, in the email
setup page: what it does, that leaving it unset keeps the previous `localhost`
greeting, and the case it exists for, a relay refusing the greeting under
Postfix `reject_non_fqdn_helo_hostname`.

Also records the current limit: verification emails for email authentication
go through go-pkgz/auth's own sender, which has no equivalent setting, so the
greeting there is unchanged.

* Bump go-pkgz/auth to v2.2.0 and apply SMTP_HELO_HOST to verification email

The verification email sender had no way to set the greeting, so a relay that
refuses the HELO would accept notifications and still reject sign-in emails.
EmailParams gains HELOHost in go-pkgz/auth v2.2.0, so the same SMTP_HELO_HOST
now drives both paths.

The example module is tidied alongside, as any change to backend/go.mod
requires.

---------

Co-authored-by: oli <someone@somewhere.tld>
Co-authored-by: Dmitry Verkhoturov <paskal.07@gmail.com>
This commit is contained in:
damnms
2026-08-19 02:52:39 -05:00
committed by GitHub
co-authored by oli Dmitry Verkhoturov
parent 43fccf3bc9
commit 3f5b3cdd98
120 changed files with 9023 additions and 1501 deletions
Download Patch File Download Diff File Expand all files Collapse all files
backend/_example/memory_store/go.mod
+3 -3
View File
@@ -4,7 +4,7 @@ go 1.25.0
require (
github.com/go-pkgz/jrpc v0.4.0
github.com/go-pkgz/lgr v0.12.3
github.com/go-pkgz/lgr v0.12.4
github.com/jessevdk/go-flags v1.6.1
github.com/stretchr/testify v1.12.0
github.com/umputun/remark42/backend v1.1000.0
@@ -26,9 +26,9 @@ require (
github.com/rs/xid v1.6.0 // indirect
github.com/russross/blackfriday/v2 v2.1.0 // indirect
go.etcd.io/bbolt v1.5.0 // indirect
golang.org/x/crypto v0.53.0 // indirect
golang.org/x/crypto v0.55.0 // indirect
golang.org/x/image v0.45.0 // indirect
golang.org/x/net v0.56.0 // indirect
golang.org/x/net v0.57.0 // indirect
golang.org/x/sys v0.47.0 // indirect
gopkg.in/yaml.v3 v3.0.1 // indirect
)
backend/_example/memory_store/go.sum
+6 -6
View File
@@ -17,8 +17,8 @@ github.com/dlclark/regexp2/v2 v2.2.2 h1:MYWvNYw8okuqNhwTYO587EZMiDruVa2vhV6fsGpf
github.com/dlclark/regexp2/v2 v2.2.2/go.mod h1:avUrQvPaLz2DrFNHJF0taWAFFX2C1GMSSoeiqFjcBmU=
github.com/go-pkgz/jrpc v0.4.0 h1:oD7xiGrzDkndkuCjeHGugQXxbggLSV7O1QmHhoc5pYY=
github.com/go-pkgz/jrpc v0.4.0/go.mod h1:JFoY3bRjRyx4M3CbEVDFQStMB1m2gmQ7OjqFK7q3kOo=
github.com/go-pkgz/lgr v0.12.3 h1:QDug7kRkEsuQtruT9fNF5PVT2kZUqCDPc4GmsgS3fP8=
github.com/go-pkgz/lgr v0.12.3/go.mod h1:lpCDgVvCIxBHZp8+sGCj9MPctIzKZyZ3QdE19ddqd54=
github.com/go-pkgz/lgr v0.12.4 h1:lDeQ4BR28ldXrKau6BOjq7A8nHzcXz+MF4xUfV4l1Ok=
github.com/go-pkgz/lgr v0.12.4/go.mod h1:Lw6DkNRnCPyX07mqkiUK/p+eA1opq4GKkWfWia64RA8=
github.com/go-pkgz/rest v1.24.0 h1:GAUCgx7U8xCOC2OynLjhCRMhtnMQH4d1mTdKpQyX2yI=
github.com/go-pkgz/rest v1.24.0/go.mod h1:dl3EWiuFB4hRTo2Sknj6UrQGFRAYvANK6/NyW8qQPxc=
github.com/go-pkgz/routegroup v1.6.0 h1:44XHZgF6JIIldRlv+zjg6SygULASmjifnfIQjwCT0e4=
@@ -45,12 +45,12 @@ github.com/stretchr/testify v1.12.0 h1:K6Mr6jO9JICuend/5xzTM03ydSV3vdNRYAdPSukj8
github.com/stretchr/testify v1.12.0/go.mod h1:bOYBZb5qJ00vPzWfIqBUZPaxK8jWiXc6d3ErP4Ca9Gw=
go.etcd.io/bbolt v1.5.0 h1:S7GAl7Fxv12yohbwFfIbQCGDWbQbtDGPET4P/bD4lxU=
go.etcd.io/bbolt v1.5.0/go.mod h1:mkltfYE5aUHQxUct9N9V+Kp7aSjFqjgrhcXIS70Lrdk=
golang.org/x/crypto v0.53.0 h1:QZ4Muo8THX6CizN2vPPd5fBGHyogrdK9fG4wLPFUsto=
golang.org/x/crypto v0.53.0/go.mod h1:DNLU434OwVakk9PzuwV8w62mAJpRJL3vsgcfp4Qnsio=
golang.org/x/crypto v0.55.0 h1:+KWHjbgOaAQ66dh/YlkZKHlz9ZUlq61AFirAR9ntP8M=
golang.org/x/crypto v0.55.0/go.mod h1:uq0V9dE/fzQuJtbnL+2EhWOE63vo164FY8xqEnV9xis=
golang.org/x/image v0.45.0 h1:FMb1nTbH5H9vF55SriQHgFw5GnNL9Jg6L25BwXKzhB0=
golang.org/x/image v0.45.0/go.mod h1:n62x/7RqlwXDvGsSU4u6IUTUf6KghUZ9Bt7cG/T9Fx4=
golang.org/x/net v0.56.0 h1:Rw8j/hFzGvJUZwNBXnAtf5sVDVt+65SK2C7IxCxZt5o=
golang.org/x/net v0.56.0/go.mod h1:D3Ku6r+V6JROoZK144D2XfMHFcMq/0zSfLelVTCFKec=
golang.org/x/net v0.57.0 h1:K5+3DljvIuDG9/Jv9rvyMywYNFCQ9RSUY6OOTTkT+tE=
golang.org/x/net v0.57.0/go.mod h1:KpXc8iv+r3XplLAG/f7Jsf9RPszJzdR0f58q9vGOuEU=
golang.org/x/sync v0.22.0 h1:SZjpbeLmrCk4xhRSZFNZW5gFUeCeFgjekvI/+gfScek=
golang.org/x/sync v0.22.0/go.mod h1:9xrNwdLfx4jkKbNva9FpL6vEN7evnE43NNNJQ2LF3+0=
golang.org/x/sys v0.47.0 h1:o7XGOvZQCADBQQ4Y7VNq2dRWQR7JmOUW8Kxx4ZsNgWs=