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Delivery errors
Explanation of the most common errors that can occur during mail delivery (incoming and outgoing)

article java.net.SocketException: Software caused connection abort: connect
This is another case of this error:...

  August 26, 2005    Views: 46212   
article450 Recipient address rejected: Try again later
This is a common response message coming from...

  February 9, 2009    Views: 24814   
article550 5.7.1 Access denied
This response comes from the remote server.The...

  June 24, 2004    Views: 206247   
article550 5.7.1 Sender address not valid
See this article:...

  August 23, 2004    Views: 43565   
article550 Dynamic IPs/Open relays blocked
This error can appear when the mail server of a...

  July 24, 2004    Views: 54664   
article550 MAIL FROM local domain, but you're not authorized to relay. Suspected address spoofing. Command rejected.
This message is generated by DeskNow. This...

  August 14, 2006    Views: 23337   
article550 SPF test returned fail
Someone sending you an email receives back a...

  April 21, 2006    Views: 28345   
article552 Too many recipients
If you're getting this error while sending an...

  January 31, 2007    Views: 10823   
articleCould not connect to the remote mail server
This is another case of this error:...

  April 12, 2006    Views: 19013   
articleCould not connect to the remote mail server
This is another case of the following problem:...

(No rating)  April 15, 2008    Views: 17283   
articleData truncation: Data truncated for column 'body' at row 1
This error message comes from the MySQL...

  August 17, 2007    Views: 23891   
articleHelo command rejected: need fully-qualified hostname
This is another case of this error:...

  May 27, 2004    Views: 109945   
articleI cannot send encrypted emails. The InternalError log says: exception unwrapping private key - java.security.InvalidKeyException: Illegal key size
This error means that you need to install - as...

  December 28, 2006    Views: 16537   
articleI cannot send encrypted emails. The InternalError log says: java.lang.SecurityException: Unsupported keysize or algorithm parameters
This error means that you need to install - as...

  October 18, 2006    Views: 14166   
articleI cannot send mail using Outlook/Eudora/etc: 551 Relay denied
If you're getting the '551 Relay denied'...

  May 31, 2004    Views: 83110   
articleI cannot send to myself, as it would cause an infinite loop!
The full error message would be something like...

  May 30, 2009    Views: 11878   
articleI get this error when sendin out emails: SMTPAddressFailedException: 554 : Relay access denied
This error means that the server that DeskNow...

  March 3, 2006    Views: 23760   
articleIncorrect string value: ....
This error typically occurs when you use MySQL...

(No rating)  October 1, 2009    Views: 14299   
articlejava.net.ConnectException: Connection refused
This is a very common error. It means that...

  June 24, 2004    Views: 160968   
articlejava.net.SocketException: Software caused connection abort: socket write error
If every sent message cannot be delivered...

  March 22, 2005    Views: 79287   
articlejavax.mail.AuthenticationFailedException
If every message that you send bounces back...

  May 26, 2004    Views: 59846   
articleRead timeout
If DeskNow cannot send emails and reports a...

  November 17, 2006    Views: 16950   
articleSocket exception: Cannot assign requested address: JVM_Bind
This error can occur if you have configured...

  August 16, 2006    Views: 24521   
articleSocket exception: Connection reset
If you receive a bounce email with this error,...

(No rating)  February 11, 2009    Views: 16467   
article[EOF]
If you're seeing this message in a mail...

  July 11, 2008    Views: 11385   



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