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implement outgoing dmarc aggregate reporting

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in smtpserver, we store dmarc evaluations (under the right conditions).
in dmarcdb, we periodically (hourly) send dmarc reports if there are
evaluations. for failed deliveries, we deliver the dsn quietly to a submailbox
of the postmaster mailbox.

this is on by default, but can be disabled in mox.conf.
This commit is contained in:
Mechiel Lukkien
2023-11-01 17:55:40 +01:00
parent d1e93020d8
commit e7699708ef
40 changed files with 2689 additions and 245 deletions
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22
verifydata.go
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@ -97,9 +97,12 @@ possibly making them potentially no longer readable by the previous version.
// Check a database file by opening it with BoltDB and bstore and lightly checking
// its contents.
checkDB := func(path string, types []any) {
checkDB := func(required bool, path string, types []any) {
_, err := os.Stat(path)
checkf(err, path, "checking if file exists")
if !required && err != nil && errors.Is(err, fs.ErrNotExist) {
return
}
checkf(err, path, "checking if database file exists")
if err != nil {
return
}
@ -156,7 +159,7 @@ possibly making them potentially no longer readable by the previous version.
checkQueue := func() {
dbpath := filepath.Join(dataDir, "queue/index.db")
checkDB(dbpath, queue.DBTypes)
checkDB(true, dbpath, queue.DBTypes)
// Check that all messages present in the database also exist on disk.
seen := map[string]struct{}{}
@ -222,12 +225,12 @@ possibly making them potentially no longer readable by the previous version.
// Check an account, with its database file and messages.
checkAccount := func(name string) {
accdir := filepath.Join(dataDir, "accounts", name)
checkDB(filepath.Join(accdir, "index.db"), store.DBTypes)
checkDB(true, filepath.Join(accdir, "index.db"), store.DBTypes)
jfdbpath := filepath.Join(accdir, "junkfilter.db")
jfbloompath := filepath.Join(accdir, "junkfilter.bloom")
if exists(jfdbpath) || exists(jfbloompath) {
checkDB(jfdbpath, junk.DBTypes)
checkDB(true, jfdbpath, junk.DBTypes)
}
// todo: add some kind of check for the bloom filter?
@ -399,7 +402,7 @@ possibly making them potentially no longer readable by the previous version.
p = p[len(dataDir)+1:]
}
switch p {
case "dmarcrpt.db", "mtasts.db", "tlsrpt.db", "receivedid.key", "lastknownversion":
case "dmarcrpt.db", "dmarceval.db", "mtasts.db", "tlsrpt.db", "receivedid.key", "lastknownversion":
return nil
case "acme", "queue", "accounts", "tmp", "moved":
return fs.SkipDir
@ -417,9 +420,10 @@ possibly making them potentially no longer readable by the previous version.
checkf(err, dataDir, "walking data directory")
}
checkDB(filepath.Join(dataDir, "dmarcrpt.db"), dmarcdb.DBTypes)
checkDB(filepath.Join(dataDir, "mtasts.db"), mtastsdb.DBTypes)
checkDB(filepath.Join(dataDir, "tlsrpt.db"), tlsrptdb.DBTypes)
checkDB(true, filepath.Join(dataDir, "dmarcrpt.db"), dmarcdb.ReportsDBTypes)
checkDB(false, filepath.Join(dataDir, "dmarceval.db"), dmarcdb.EvalDBTypes) // After v0.0.7.
checkDB(true, filepath.Join(dataDir, "mtasts.db"), mtastsdb.DBTypes)
checkDB(true, filepath.Join(dataDir, "tlsrpt.db"), tlsrptdb.DBTypes)
checkQueue()
checkAccounts()
checkOther()