mailreturncode
| PB | C#.NET | Supported |
| mailreturncode | No | |
| Properties | ||
| mailreturnaccessdenied | No | |
| mailreturnattachmentnotfound | No | |
| mailreturnattachmentopenfailure | No | |
| mailreturnattachmentwritefailure | No | |
| mailreturndiskfull | No | |
| mailreturnfailure | No | |
| mailreturninsufficientmemory | No | |
| mailreturninvalidmessage | No | |
| mailreturnloginfailure | No | |
| mailreturnmessageinuse | No | |
| mailreturnnomessages | No | |
| mailreturnsuccess | No | |
| mailreturntexttoolarge | No | |
| mailreturntoomanyfiles | No | |
| mailreturntoomanyrecipients | No | |
| mailreturntoomanysessions | No | |
| mailreturnunknownrecipient | No | |
| mailreturnuserabort | No | |