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Make receiver hostname configurable via --receiver-hostname flag

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Remove the package-level global hostname from parser.go.

Adds a log warning when the last Received hop doesn't match the
expected receiver hostname.

Bug: https://github.com/happyDomain/happydeliver/issues/11
This commit is contained in:
nemunaire 2026-03-25 10:58:34 +07:00
commit 76ee50a100
18 changed files with 53 additions and 40 deletions
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1
internal/config/cli.go
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@ -34,6 +34,7 @@ func declareFlags(o *Config) {
flag.StringVar(&o.Email.Domain, "domain", o.Email.Domain, "Domain used to receive emails")
flag.StringVar(&o.Email.TestAddressPrefix, "address-prefix", o.Email.TestAddressPrefix, "Expected email adress prefix (deny address that doesn't start with this prefix)")
flag.StringVar(&o.Email.LMTPAddr, "lmtp-addr", o.Email.LMTPAddr, "LMTP server listen address")
flag.StringVar(&o.Email.ReceiverHostname, "receiver-hostname", o.Email.ReceiverHostname, "Hostname used to filter Authentication-Results headers (defaults to os.Hostname())")
flag.DurationVar(&o.Analysis.DNSTimeout, "dns-timeout", o.Analysis.DNSTimeout, "Timeout when performing DNS query")
flag.DurationVar(&o.Analysis.HTTPTimeout, "http-timeout", o.Analysis.HTTPTimeout, "Timeout when performing HTTP query")
flag.Var(&StringArray{&o.Analysis.RBLs}, "rbl", "Append a RBL (use this option multiple time to append multiple RBLs)")