Local Mail Transfer Protocol Messages

Local Mail Transfer Protocol Messages

Base Rule

Message Transfer Out

Information

DSN 2.0.0 - Success : Unknown Status

Sub Rule

General Message Information

Information

DSN 2.1.0 - Success : Other Address Status

Sub Rule

General Message Information

Information

DSN 2.1.1 - Success : Bad Dst Mailbox Addr

Sub Rule

Bad Destination Mailbox Address

Warning

DSN 2.1.2 - Success : Bad Dst System Addr

Sub Rule

Bad Destination System Address

Warning

DSN 2.1.3 - Success : Bad Dst Mailbox Syntax

Sub Rule

Bad Destination Mailbox Syntax

Warning

DSN 2.1.4 - Success : Dst Mailbox Addr Ambiguous

Sub Rule

Destination Mailbox Address Ambiguous

Warning

DSN 2.1.5 - Success : Dst Address Valid

Sub Rule

Destination Address Valid

Information

DSN 2.1.6 - Success : Dst Addr Moved No Fwd Addr

Sub Rule

Destination Address Moved With No Forwarding

Warning

DSN 2.1.7 - Success : Bad Sender Mbox Addr Syntax

Sub Rule

Bad Sender Mailbox Address Syntax

Warning

DSN 2.1.8 - Success : Bad Sender System Address

Sub Rule

Bad Sender System Address

Warning

DSN 2.2.0 - Success : Undefined Mbox Status

Sub Rule

General Email Delivery Information

Information

DSN 2.2.1 - Success : Mailbox Disabled

Sub Rule

Mailbox Disabled

Warning

DSN 2.2.2 - Success : Mailbox Full

Sub Rule

Mailbox Full

Error

DSN 2.2.3 - Success : Msg Len Exceeds Admin Limit

Sub Rule

Message Length Exceeds Administrative Limit

Warning

DSN 2.2.4 - Success : Mailing List Expansion Prob

Sub Rule

Mailing List Expansion Problem

Error

DSN 2.3.0 - Success : Undefined Mail System Status

Sub Rule

General Email Delivery Information

Information

DSN 5.3.1 - Failure : Mail System Full

Sub Rule

Mail System Full

Critical

DSN 2.3.2 - Success : System Not Accepting Msgs

Sub Rule

System Not Accepting Messages

Warning

DSN 2.3.3 - Success : System Missing Features

Sub Rule

System Missing Required Features

Warning

DSN 2.3.4 - Success : Message Too Big

Sub Rule

Message Too Large

Warning

DSN 2.3.5 - Success : System Incorrect Config

Sub Rule

System Incorrectly Configured

Warning

DSN 2.4.0 - Success : Undefined Network Status

Sub Rule

General Email Delivery Information

Information

DSN 2.4.1 - Success : No Answer From Host

Sub Rule

No Answer From Host

Warning

DSN 2.4.2 - Success : Bad Connection

Sub Rule

Bad Connection

Warning

DSN 2.4.3 - Success : Directory Server Failure

Sub Rule

Host Not Found

Warning

DSN 2.4.4 - Success : Unable To Route

Sub Rule

Unable To Route

Warning

DSN 2.4.5 - Success : Mail System Congestion

Sub Rule

Mail System Congestion

Warning

DSN 2.4.6 - Success : Routing Loop Detected

Sub Rule

Routing Loop Detected

Warning

DSN 2.4.7 - Success : Delivery Time Expired

Sub Rule

Delivery Time Expired

Warning

DSN 2.5.0 - Success : Undefined Protocol Status

Sub Rule

General Email Delivery Information

Information

DSN 2.5.1 - Success : Invalid Command

Sub Rule

Suspicious Activity

Suspicious

DSN 2.5.2 - Success : Syntax Error

Sub Rule

Syntax Error

Warning

DSN 2.5.3 - Success : Too Many Recipients

Sub Rule

Suspicious Activity

Suspicious

DSN 2.5.4 - Success : Invalid Command Arguments

Sub Rule

Invalid Options

Warning

DSN 2.5.5 - Success : Wrong Protocol Version

Sub Rule

Wrong Protocol Version

Error

DSN 2.6.0 - Success : Undefined Media Error

Sub Rule

Email Delivery Message Queued

Information

DSN 2.6.1 - Success : Media Not Supported

Sub Rule

Media Not Supported

Warning

DSN 2.6.2 - Success : Conversation Req And Denied

Sub Rule

Conversation Required And Denied

Error

DSN 2.6.3 - Success : Conv Req But Not Supported

Sub Rule

Conversation Required But Not Supported

Error

DSN 2.6.4 - Success : Conv With Loss Performed

Sub Rule

Conversation With Loss Performed

Warning

DSN 2.6.5 - Success : Conversation Failed

Sub Rule

Conversation Failed

Error

DSN 2.7.0 - Success : Undefined Security Status

Sub Rule

Undefined Security Status

Activity

DSN 2.7.1 - Success : Message Refused

Sub Rule

Message Refused

Warning

DSN 2.7.2 - Success : Mailing List Expansion Deny

Sub Rule

Mailing List Expansion Denied

Error

DSN 2.7.3 - Success : Security Conversation Failed

Sub Rule

Conversation Failed

Error

DSN 2.7.4 - Success : Features Not Supported

Sub Rule

Feature Not Supported

Warning

DSN 2.7.5 - Success : Cryptographic Failure

Sub Rule

Cryptographic Failure

Error

DSN 2.7.7 - Success : Message Integrity Failure

Sub Rule

Message Failed Validation

Error

DSN 2.7.6 - Success : Missing Crypto Algorithm

Sub Rule

Cryptographic Algorithm Missing

Error

DSN 5.1.7 - Failure : Bad Sender Mbox Addr Syntax

Sub Rule

Bad Sender Mailbox Address Syntax

Warning

DSN 5.1.8 - Failure : Bad Sender System Address

Sub Rule

Bad Sender System Address

Warning

DSN 5.2.0 - Failure : Undefined Mbox Status

Sub Rule

General Email Delivery Information

Information

DSN 5.0.0 - Failure : Unknown Status

Sub Rule

General Message Information

Information

DSN 5.1.0 - Failure : Other Address Status

Sub Rule

General Message Information

Information

DSN 5.1.1 - Failure : Bad Dst Mailbox Addr

Sub Rule

Bad Destination Mailbox Address

Warning

DSN 5.1.2 - Failure : Bad Dst System Addr

Sub Rule

Bad Destination System Address

Warning

DSN 5.1.3 - Failure : Bad Dst Mailbox Syntax

Sub Rule

Bad Destination Mailbox Syntax

Warning

DSN 5.1.4 - Failure : Dst Mailbox Addr Ambiguous

Sub Rule

Destination Mailbox Address Ambiguous

Warning

DSN 5.1.5 - Failure : Dst Address Valid

Sub Rule

Destination Address Valid

Information

DSN 5.1.6 - Failure : Dst Addr Moved No Fwd Addr

Sub Rule

Destination Address Moved With No Forwarding

Warning

DSN 5.2.1 - Failure : Mailbox Disabled

Sub Rule

Mailbox Disabled

Warning

DSN 5.2.2 - Failure : Mailbox Full

Sub Rule

Mailbox Full

Error

DSN 5.2.3 - Failure : Msg Len Exceeds Admin Limit

Sub Rule

Message Length Exceeds Administrative Limit

Warning

DSN 5.2.4 - Failure : Mailing List Expansion Prob

Sub Rule

Mailing List Expansion Problem

Error

DSN 5.3.0 - Failure : Undefined Mail System Status

Sub Rule

General Email Delivery Information

Information

DSN 2.3.1 - Success : Mail System Full

Sub Rule

Mail System Full

Critical

DSN 5.3.2 - Failure : System Not Accepting Msgs

Sub Rule

System Not Accepting Messages

Warning

DSN 5.3.3 - Failure : System Missing Features

Sub Rule

System Missing Required Features

Warning

DSN 5.3.4 - Failure : Message Too Big

Sub Rule

Message Too Large

Warning

DSN 5.3.5 - Failure : System Incorrect Config

Sub Rule

System Incorrectly Configured

Warning

DSN 5.4.0 - Failure : Undefined Network Status

Sub Rule

General Email Delivery Information

Information

DSN 5.4.1 - Failure : No Answer From Host

Sub Rule

No Answer From Host

Warning

DSN 5.4.2 - Failure : Bad Connection

Sub Rule

Bad Connection

Warning

DSN 5.4.3 - Failure : Directory Server Failure

Sub Rule

Host Not Found

Warning

DSN 5.4.4 - Failure : Unable To Route

Sub Rule

Unable To Route

Warning

DSN 5.4.5 - Failure : Mail System Congestion

Sub Rule

Mail System Congestion

Warning

DSN 5.4.6 - Failure : Routing Loop Detected

Sub Rule

Routing Loop Detected

Warning

DSN 5.4.7 - Failure : Delivery Time Expired

Sub Rule

Delivery Time Expired

Warning

DSN 5.5.0 - Failure : Undefined Protocol Status

Sub Rule

General Email Delivery Information

Information

DSN 5.5.1 - Failure : Invalid Command

Sub Rule

Suspicious Activity

Suspicious

DSN 5.5.2 - Failure : Syntax Error

Sub Rule

Syntax Error

Warning

DSN 5.5.3 - Failure : Too Many Recipients

Sub Rule

Suspicious Activity

Suspicious

DSN 5.5.4 - Failure : Invalid Command Arguments

Sub Rule

Invalid Options

Warning

DSN 5.5.5 - Failure : Wrong Protocol Version

Sub Rule

Wrong Protocol Version

Error

DSN 5.6.0 - Failure : Undefined Media Error

Sub Rule

Undefined Media Error

Error

DSN 5.6.1 - Failure : Media Not Supported

Sub Rule

Media Not Supported

Warning

DSN 5.6.2 - Failure : Conversation Req And Denied

Sub Rule

Conversation Required And Denied

Error

DSN 5.6.3 - Failure : Conv Req But Not Supported

Sub Rule

Conversation Required But Not Supported

Error

DSN 5.6.4 - Failure : Conv With Loss Performed

Sub Rule

Conversation With Loss Performed

Warning

DSN 5.6.5 - Failure : Conversation Failed

Sub Rule

Conversation Failed

Error

DSN 5.7.0 - Failure : Undefined Security Status

Sub Rule

Undefined Security Status

Activity

DSN 5.7.1 - Failure : Message Refused

Sub Rule

Message Refused

Warning

DSN 5.7.2 - Failure : Mailing List Expansion Deny

Sub Rule

Mailing List Expansion Denied

Error

DSN 5.7.3 - Failure : Security Conversation Failed

Sub Rule

Conversation Failed

Error

DSN 5.7.4 - Failure : Features Not Supported

Sub Rule

Feature Not Supported

Warning

DSN 5.7.5 - Failure : Cryptographic Failure

Sub Rule

Cryptographic Failure

Error

DSN 5.7.6 - Failure : Missing Crypto Algorithm

Sub Rule

Cryptographic Algorithm Missing

Error

DSN 5.7.7 - Failure : Message Integrity Failure

Sub Rule

Message Failed Validation

Error

DSN 4.0.0 - Delayed : Unknown Status

Sub Rule

General Message Information

Information

DSN 4.1.0 - Delayed : Other Address Status

Sub Rule

General Message Information

Information

DSN 4.1.1 - Delayed : Bad Dst Mailbox Addr

Sub Rule

Bad Destination Mailbox Address

Warning

DSN 4.1.2 - Delayed : Bad Dst System Addr

Sub Rule

Bad Destination System Address

Warning

DSN 4.1.3 - Delayed : Bad Dst Mailbox Syntax

Sub Rule

Bad Destination Mailbox Syntax

Warning

DSN 4.1.4 - Delayed : Dst Mailbox Addr Ambiguous

Sub Rule

Destination Mailbox Address Ambiguous

Warning

DSN 4.1.5 - Delayed : Dst Address Valid

Sub Rule

Destination Address Valid

Information

DSN 4.1.6 - Delayed : Dst Addr Moved No Fwd Addr

Sub Rule

Destination Address Moved With No Forwarding

Warning

DSN 4.1.7 - Delayed : Bad Sender Mbox Addr Syntax

Sub Rule

Bad Sender Mailbox Address Syntax

Warning

DSN 4.1.8 - Delayed : Bad Sender System Address

Sub Rule

Bad Sender System Address

Warning

DSN 4.2.0 - Delayed : Undefined Mbox Status

Sub Rule

General Email Delivery Information

Information

DSN 4.2.1 - Delayed : Mailbox Disabled

Sub Rule

Mailbox Disabled

Warning

DSN 4.2.2 - Delayed : Mailbox Full

Sub Rule

Mailbox Full

Error

DSN 4.2.3 - Delayed : Msg Len Exceeds Admin Limit

Sub Rule

Message Length Exceeds Administrative Limit

Warning

DSN 4.2.4 - Delayed : Mailing List Expansion Prob

Sub Rule

Mailing List Expansion Problem

Error

DSN 4.3.0 - Delayed : Undefined Mail System Status

Sub Rule

General Email Delivery Information

Information

DSN 4.3.1 - Delayed : Mail System Full

Sub Rule

Mail System Full

Critical

DSN 4.3.2 - Delayed : System Not Accepting Msgs

Sub Rule

System Not Accepting Messages

Warning

DSN 4.3.3 - Delayed : System Missing Features

Sub Rule

System Missing Required Features

Warning

DSN 4.3.4 - Delayed : Message Too Big

Sub Rule

Message Too Large

Warning

DSN 4.3.5 - Delayed : System Incorrect Config

Sub Rule

System Incorrectly Configured

Warning

DSN 4.4.0 - Delayed : Undefined Network Status

Sub Rule

General Email Delivery Information

Information

DSN 4.4.1 - Delayed : No Answer From Host

Sub Rule

No Answer From Host

Warning

DSN 4.4.2 - Delayed : Bad Connection

Sub Rule

Bad Connection

Warning

DSN 4.4.3 - Delayed : Directory Server Failure

Sub Rule

Host Not Found

Warning

DSN 4.4.4 - Delayed : Unable To Route

Sub Rule

Unable To Route

Warning

DSN 4.4.5 - Delayed : Mail System Congestion

Sub Rule

Mail System Congestion

Warning

DSN 4.4.6 - Delayed : Routing Loop Detected

Sub Rule

Routing Loop Detected

Warning

DSN 4.4.7 - Delayed : Delivery Time Expired

Sub Rule

Delivery Time Expired

Warning

DSN 4.5.0 - Delayed : Undefined Protocol Status

Sub Rule

General Email Delivery Information

Information

DSN 4.5.1 - Delayed : Invalid Command

Sub Rule

Suspicious Activity

Suspicious

DSN 4.5.2 - Delayed : Syntax Error

Sub Rule

Syntax Error

Warning

DSN 4.5.3 - Delayed : Too Many Recipients

Sub Rule

Suspicious Activity

Suspicious

DSN 4.5.4 - Delayed : Invalid Command Arguments

Sub Rule

Invalid Options

Warning

DSN 4.5.5 - Delayed : Wrong Protocol Version

Sub Rule

Wrong Protocol Version

Error

DSN 4.6.0 - Delayed : Undefined Media Error

Sub Rule

Undefined Media Error

Error

DSN 4.6.1 - Delayed : Media Not Supported

Sub Rule

Media Not Supported

Warning

DSN 4.6.2 - Delayed : Conversation Req And Denied

Sub Rule

Conversation Required And Denied

Error

DSN 4.6.3 - Delayed : Conv Req But Not Supported

Sub Rule

Conversation Required But Not Supported

Error

DSN 4.6.4 - Delayed : Conv With Loss Performed

Sub Rule

Conversation With Loss Performed

Warning

DSN 4.6.5 - Delayed : Conversation Failed

Sub Rule

Conversation Failed

Error

DSN 4.7.0 - Delayed : Undefined Security Status

Sub Rule

Undefined Security Status

Activity

DSN 4.7.1 - Delayed : Message Refused

Sub Rule

Message Refused

Warning

DSN 4.7.2 - Delayed : Mailing List Expansion Deny

Sub Rule

Mailing List Expansion Denied

Error

DSN 4.7.3 - Delayed : Security Conversation Failed

Sub Rule

Conversation Failed

Error

DSN 4.7.4 - Delayed : Features Not Supported

Sub Rule

Feature Not Supported

Warning

DSN 4.7.5 - Delayed : Cryptographic Failure

Sub Rule

Cryptographic Failure

Error

DSN 4.7.6 - Delayed : Missing Crypto Algorithm

Sub Rule

Cryptographic Algorithm Missing

Error

DSN 4.7.7 - Delayed : Message Integrity Failure

Sub Rule

Message Failed Validation

Error

N/A

<severity>

Text/String

N/A

<process>

Text/String

N/A

<protname>

String

N/A

<processid>

Numeric

N/A

<session>

Text/String

N/A

<recipient>

Text/String

N/A

<dname>

Text/String

N/A

<dip>

Numeric

N/A

<dport>

Numeric

N/A

<milliseconds>

Numeric

N/A

<vmid>

Numeric

N/A

<status>

Text/String

N/A

<responsecode>

Numeric