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implement limits on outgoing messages for an account

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by default 1000 messages per day, and to max 200 first-time receivers.
i don't think a person would reach those limits. a compromised account abused
by spammers could easily reach that limit. this prevents further damage.

the error message you will get is quite clear, pointing to the configuration
parameter that should be changed.
This commit is contained in:
Mechiel Lukkien
2023-03-28 20:50:36 +02:00
parent 9bd497b836
commit 9b57c69c1c
14 changed files with 262 additions and 4 deletions
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10
store/account.go
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@ -370,6 +370,14 @@ type Recipient struct {
Sent time.Time `bstore:"nonzero"`
}
// Outgoing is a message submitted for delivery from the queue. Used to enforce
// maximum outgoing messages.
type Outgoing struct {
ID int64
Recipient string `bstore:"nonzero,index"` // Canonical international address with utf8 domain.
Submitted time.Time `bstore:"nonzero,default now"`
}
// Account holds the information about a user, includings mailboxes, messages, imap subscriptions.
type Account struct {
Name string // Name, according to configuration.
@ -455,7 +463,7 @@ func openAccount(name string) (a *Account, rerr error) {
os.MkdirAll(dir, 0770)
}
db, err := bstore.Open(dbpath, &bstore.Options{Timeout: 5 * time.Second, Perm: 0660}, NextUIDValidity{}, Message{}, Recipient{}, Mailbox{}, Subscription{}, Password{}, Subjectpass{})
db, err := bstore.Open(dbpath, &bstore.Options{Timeout: 5 * time.Second, Perm: 0660}, NextUIDValidity{}, Message{}, Recipient{}, Mailbox{}, Subscription{}, Outgoing{}, Password{}, Subjectpass{})
if err != nil {
return nil, err
}