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Allow the '<>' null sender.

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This commit is contained in:
Nathan Ollerenshaw 2018-06-29 14:41:59 -07:00
parent c009354c02
commit eb300d92cc
1 changed files with 11 additions and 5 deletions
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16
protocol.go
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@ -212,11 +212,17 @@ func (session *session) handleMAIL(cmd command) {
return
}
addr, err := parseAddress(cmd.params[1])
var err error
addr := "" // null sender
if err != nil {
session.reply(502, "Ill-formatted e-mail address")
return
// We must accept a null sender as per rfc5321 section-6.1.
if cmd.params[1] != "<>" {
addr, err = parseAddress(cmd.params[1])
if err != nil {
session.reply(502, "Malformed e-mail address")
return
}
}
if session.server.SenderChecker != nil {
@ -256,7 +262,7 @@ func (session *session) handleRCPT(cmd command) {
addr, err := parseAddress(cmd.params[1])
if err != nil {
session.reply(502, "Ill-formatted e-mail address")
session.reply(502, "Malformed e-mail address")
return
}