Code

Message

Notes

ID

#1.00

Mailbox Disabled (#1.00)

mailbox is disabled in mailbox or privileges

ERR_MAILBOX_DISABLED

#1.01

Mailbox Disabled (#1.01)

mailbox is a spamtrap

ERR_MAILBOX_SPAMTRAP

#1.02

Allocated mailbox storage exceeded (#1.02)

quota error

ERR_MAILBOX_QUOTA

#1.03

Out of disk space (#1.03)

ERR_MAILBOX_FREESPACE

#1.04

Too many connections from your address (#1.04)

451 4.5.1 [%s] Max concurrent sessions (#1.04)

-ERR Too many connections from your address (#1.04)

ERR_MAX_CONCURRENT

ERR_SMTP_REJECT_CONCURRENT

ERR_POP_CONCURRENT

#2.01

(#2.01)

address has been temp blacklisted

ERR_SECPOL_NO_ACCESS

#2.02

(#2.02)

address has either BL or no PA

ERR_SECPOL_BLACK

#2.03

(#2.03)

RBL hit

ERR_SECPOL_RBL

#3.01

220 %s (#3.01)

ERR_SMTP_SYSTEM_HELLO

#3.02

250 2.5.0 Sender <%s> Accepted (#3.02)

ERR_SMTP_SENDEROK

#3.03

235 2.3.5 Auth OK (#3.03)

ERR_SMTP_AUTHOK

#3.04

250 2.5.0 Recipient OK (#3.04)

ERR_SMTP_RCPTOK

#3.05

250 2.5.0 Ok Message queued (#3.05)

ERR_SMTP_MESSAGEOK

#3.06

220 2.2.0 ready for TLS (#3.06)

ERR_SMTP_TLSOK

#3.07

250 2.5.0 Ok (#3.07)

 ERR_SMTP_OK

#3.08

221 2.2.1 Service closing transmission channel (#3.08)

ERR_SMTP_CLOSING

#3.09

250 2.5.0 Mail queue started (#3.09)

ERR_SMTP_QUEUESTARTED

#3.10

354 3.5.4 Start mail input; end with <CRLF>.<CRLF> (#3.10)

Authentication continue response

ERR_SMTP_DATASTART

#3.11

334

ERR_SMTP_334

#3.12

451 4.9.9 %s Invalid EHLO (#3.12)

ERR_SMTP_TARPIT

#3.13

451 4.2.1 %s mailbox disabled (#3.13)

ERR_SMTP_MAILBOX_DISABLED

#3.14

451 4.2.2 %s mailbox full (#3.14)

ERR_SMTP_MAILBOX_FULL

#3.15

451 4.2.2 %s mailbox access error (#3.15)

ERR_SMTP_MAILBOX_TOAST

#3.16

451 4.3.1 mail system is full (#3.16)

ERR_SMTP_SYSTEM_LENGTH

#3.17

451 4.3.5 system configuration error (#3.17)

ERR_SMTP_SYSTEM_CONFIGERR

#3.19

450 4.7.1 Server busy please try again later. See http://tinyurl.com/39pwkl (#3.19)

ERR_SMTP_GLFAILDATA

#3.20

450 4.7.1 Server busy please try again later. See http://tinyurl.com/39pwkl (#3.20)

ERR_SMTP_GLFAILRCP

#3.21

450 4.7.1 Please authenticate and try again (#3.21)

See:Managing Services and Security Policies/Options;Anti-Spoofing

ERR_SMTP_SPOOF

#3.22

450 4.3.5 System error, please try again (#3.22)

ERR_SMTP_HARDERROR

#4.21

500 5.5.1 Syntax Error  (#4.21)

ERR_SMTP_SYNTAX

#4.22

500 5.5.1 Syntax Error (%s) (#4.22)

ERR_SMTP_SYNTAX2

#4.23

500 5.5.1 Bad command (#4.23)

ERR_SMTP_SYNTAX3

#4.24

500 5.0.0 Domain Not Found (#4.24)

ERR_SMTP_DOMAINNOTFOUND

#4.25

550 5.1.1 %s bad destination mailbox address (#4.25)

ERR_SMTP_ADDRESS_BAD

#4.26

550 5.1.1 %s invalid mailbox address (#4.26)

ERR_SMTP_ADDRESS_INVALID

#4.27

550 5.1.2 %s invalid domain (#4.27)

ERR_SMTP_ADDRESS_DOAMIN

#4.28

550 5.1.1 %s unknown mailbox (#4.28)

ERR_SMTP_ADDRESS_UNKNOWN

#4.29

550 5.1.1 %s unknown mailbox. You are so booted (#4.29)

ERR_SMTP_ADDRESS_UNKNOWN2

#4.30

550 5.1.3 %s bad address syntax (#4.30)

ERR_SMTP_ADDRESS_SYNTAX

#4.31

550 5.1.4 ambiguous address (#4.31)

ERR_SMTP_ADDRESS_AMBIGUOUS

#4.32

500 5.0.0 sequence error (#4.32)

ERR_SMTP_ADDRESS_SEQUENCE

#4.33

516 2.1.6 %s moved (#4.33)

ERR_SMTP_ADDRESS_MOVED

#4.34

550 5.1.7 %s bad sender’s address (#4.34)

ERR_SMTP_ADDRESS_SENDER

#4.35

550 5.0.0 Sorry too many recipients (#4.35)

ERR_SMTP_ADDRESS_RCPTCOUNT

#4.36

550 5.1.8 %s sender’s domain does not exist (#4.36)

ERR_SMTP_ADDRESS_SENDERSPOOF

#4.37

502 5.5.2 Syntax Error (#4.37)

ERR_SMTP_ARGUMANT

#4.38

553 5.5.3 too many recipients (#4.38)

ERR_SMTP_RCPTCOUNT

#4.39

550 5.2.3 message size exceeds administrative limit (#4.39)

ERR_SMTP_MESSAGE_LENGTH

#4.40

554 5.6.0 Malformed message header, require FROM:, TO:, DATE:, SUBJECT:  (#4.40)

ERR_SMTP_MESSAGE_HEADER

#4.41

560 5.6.0 Prohibited Message Content (#4.41)

ERR_SMTP_MESSAGE_CONTENT

#4.42

560 5.6.0 %s (#4.42)

ERR_SMTP_MESSAGE_OTHER

#4.43

560 5.6.0 Message body not found (#4.43)

ERR_SMTP_MESSAGE_BODY

#4.44

500 5.0.0 [%s] DNS Blackhole Rejection (#4.44)

ERR_SMTP_REJECT_RBL

#4.45

500 5.0.0 [%s] IP rejected (#4.45)

ERR_SMTP_REJECT_IP

#4.46

500 5.0.0 [%s] PTR record is blank – reverse DNS lookup failed (#4.46)

ERR_SMTP_REJECT_PTR

#4.47

500 5.0.0 Sequence Error – zombie terminated (#4.47)

ERR_SMTP_SYSTEM_ZOMBIE

#4.48

530 5.3.0 Must issue STARTTLS first (#4.48)

ERR_SMTP_TLSREQUIRED

#4.49

550 5.1.8 Sender must be hosted on this server  (#4.49):

ERR_SMTP_ONLYHOSTED

#4.50

535 5.3.5 Auth Failed (#4.50)

ERR_SMTP_AUTHFAILED

#4.51

503 5.0.3 Already Authorised (#4.51)

ERR_SMTP_AUTHFAILED2

#4.52

535 5.3.5 Unrecognised response (#4.52)

ERR_SMTP_AUTHWTF

#4.53

504 5.0.4 Unrecognised Authentication type (#4.53)”

ERR_SMTP_BADAUTH

#4.54

530 5.3.0 Authentication required (#4.54)

ERR_SMTP_AUTHREQUIRED

#4.55

560 5.6.0 Too many addresses in header (#4.55)

ERR_SMTP_BULKFAILED

#4.56

560 5.6.0 Too many hops (#4.56)

ERR_SMTP_HOPSFAILED

#4.57

500 5.0.0 Channel already secure (#4.57)

ERR_SMTP_SECUREFAILED

#4.58

500 5.0.0 Cannot switch to secure channel (#4.58)

ERR_SMTP_SECUREFAILED2

#4.59

560 5.6.0 %s  (#4.59)

ERR_SMTP_SPFFAIL

#4.60

550 5.5.0 Sender rejected (#4.60)

ERR_SMTP_SENDERBLACKLISTED

#4.61

550 5.5.0 The address %s does not match your authenticated address (#4.61)

ERR_SMTP_AUTHMISMATCH

#4.62

550 5.5.0 Sender domain could not be confirmed (#4.62)

ERR_SMTP_SENDERDOMAIN

#4.63

550 5.5.0 Relaying Denied <%s>  (#4.63)

ERR_SMTP_RELAYFAIL

#4.64

550 5.5.0 Relaying Denied <%s> Again – go away (#4.64)

ERR_SMTP_RELAYFAIL2

#4.65

550 5.5.0 Access Denied <%s> (%s) (#4.65)

ERR_SMTP_ACCESSDENIED

#4.66

550 5.5.0 Access Denied (#4.66)

ERR_SMTP_ACCESSDENIED2

#4.67

550 5.5.0 No Route Found (#4.67)

ERR_SMTP_GLACCESSDENIED

#4.68

550 5.5.0 String does not match anything (#4.68)

ERR_SMTP_NOMATCH

#4.69

550 5.5.0 No Members (#4.69)

ERR_SMTP_NOMEMBERS

#5.00

-ERR Mailbox Access Error (#5.00)

mailbox is broken

ERR_POP_ACCESS

#5.01

-ERR Access Denied (#5.01)

mailbox has no pop3 privileges

ERR_POP_ACCESSDENIED

#5.02

-ERR Syntax Error (#5.02)

ERR_POP_SYNTAX

#5.03

-ERR TLS Required (#5.03)

ERR_POP_TLS

#5.04

-ERR Plain text login disabled, use APOP or TLS (#5.04)

ERR_POP_SECUREAUTH

#5.05

-ERR <%s> Mailbox Disabled (#5.05)

ERR_POP_DISABLED

#5.06

-ERR Login Error (#5.06)

ERR_POP_LOGIN

#5.07

-ERR <%s> Mailbox Locked (#5.07)

ERR_POP_LOCKED

#5.08

-ERR Login Error (#5.08)

ERR_POP_LOGIN2

#5.09

-ERR Login Error (#5.09)

bad password

ERR_POP_LOGIN3

#5.10

-ERR invalid message number (#5.10)

ERR_POP_MESSAGENUM

#5.11

-ERR message deleted (#5.11)

ERR_POP_DELETED

#5.12

-ERR message unavailable (#5.12)

ERR_POP_MESSAGEFAILURE

#5.13

-ERR no such message , only n message in mailbox (#5.13)

ERR_POP_MESSAGECOUNT