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more helpful error message when the queue tries to deliver a message but the remote host is not listed in the mta-sts policy

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based on questions on irc by Nemain where this better error message would
probably have made the problem easier to find and fix.
This commit is contained in:
Mechiel Lukkien
2023-06-01 16:15:33 +02:00
parent cafbfc5fdf
commit 77d78191f8
2 changed files with 19 additions and 2 deletions
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13
mtasts/mtasts.go
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@ -96,6 +96,19 @@ type STSMX struct {
Domain dns.Domain
}
// LogString returns a loggable string representing the host, with both unicode
// and ascii version for IDNA domains.
func (s STSMX) LogString() string {
pre := ""
if s.Wildcard {
pre = "*."
}
if s.Domain.Unicode == "" {
return pre + s.Domain.ASCII
}
return pre + s.Domain.Unicode + "/" + pre + s.Domain.ASCII
}
// Policy is an MTA-STS policy as served at "https://mta-sts.<domain>/.well-known/mta-sts.txt".
type Policy struct {
Version string // "STSv1"