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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: 28853   
article450 Recipient address rejected: Try again later
This is a common response message coming from...
  February 9, 2009    Views: 1819   
article550 5.7.1 Access denied
This response comes from the remote server.The...
  June 24, 2004    Views: 150957   
article550 5.7.1 Sender address not valid
See this article:...
  August 23, 2004    Views: 28830   
article550 Dynamic IPs/Open relays blocked
This error can appear when the mail server of a...
  July 24, 2004    Views: 40988   
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: 5702   
article550 SPF test returned fail
Someone sending you an email receives back a...
  April 21, 2006    Views: 5522   
article552 Too many recipients
If you're getting this error while sending an...
  January 31, 2007    Views: 3084   
articleCould not connect to the remote mail server
This is another case of this error:...
  April 12, 2006    Views: 4113   
articleCould not connect to the remote mail server
This is another case of the following problem:...
(No rating)  April 15, 2008    Views: 2899   
articleData truncation: Data truncated for column 'body' at row 1
This error message comes from the MySQL...
  August 17, 2007    Views: 5676   
articleHelo command rejected: need fully-qualified hostname
This is another case of this error:...
  May 27, 2004    Views: 86813   
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: 2972   
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: 2900   
articleI cannot send mail using Outlook/Eudora/etc: 551 Relay denied
If you're getting the '551 Relay denied'...
  May 31, 2004    Views: 60038   
articleI cannot send to myself, as it would cause an infinite loop!
The full error message would be something like...
(No rating)  May 30, 2009    Views: 1112   
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: 8004   
articleIncorrect string value: ....
This error typically occurs when you use MySQL...
(No rating)  October 1, 2009    Views: 686   
articlejava.net.ConnectException: Connection refused
This is a very common error. It means that...
  June 24, 2004    Views: 113867   
articlejava.net.SocketException: Software caused connection abort: socket write error
If every sent message cannot be delivered...
  March 22, 2005    Views: 60520   
articlejavax.mail.AuthenticationFailedException
If every message that you send bounces back...
  May 26, 2004    Views: 50735   
articleRead timeout
If DeskNow cannot send emails and reports a...
  November 17, 2006    Views: 3563   
articleSocket exception: Cannot assign requested address: JVM_Bind
This error can occur if you have configured...
  August 16, 2006    Views: 5904   
articleSocket exception: Connection reset
If you receive a bounce email with this error,...
(No rating)  February 11, 2009    Views: 1698   
article[EOF]
If you're seeing this message in a mail...
  July 11, 2008    Views: 1766   



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