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Add SMTP_HELLO_NAME to let operators set the EHLO/HELO identity

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Google Workspace SMTP relay (smtp-relay.gmail.com) rejects generic
EHLO identifiers such as "localhost", which is Go net/smtp's default.
Operators can now set SMTP_HELLO_NAME to a valid hostname so that
c.Hello() is called before StartTLS, satisfying strict relay policies.

Fixes https://github.com/getprobo/probo/issues/1284

Signed-off-by: Bryan Frimin <bryan@probo.com>
This commit is contained in:
Bryan Frimin
2026-06-05 07:22:55 +02:00
parent 8231aecaba
commit 552246b5d3
8 changed files with 20 additions and 0 deletions
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1
pkg/bootstrap/builder_test.go
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@@ -192,6 +192,7 @@ func TestBuilder_Build_Defaults(t *testing.T) {
assert.Equal(t, "no-reply@notification.getprobo.com", cfg.Probod.Notifications.Mailer.SenderEmail)
assert.Equal(t, "localhost:1025", cfg.Probod.Notifications.Mailer.SMTP.Addr)
assert.False(t, cfg.Probod.Notifications.Mailer.SMTP.TLSRequired)
assert.Empty(t, cfg.Probod.Notifications.Mailer.SMTP.HelloName)
assert.Equal(t, 60, cfg.Probod.Notifications.Mailer.MailerInterval)
assert.Equal(t, 60, cfg.Probod.Notifications.Slack.SenderInterval)
assert.Empty(t, cfg.Probod.Notifications.Slack.SigningSecret)