You may receive an error code below if your message has been blocked by the anti-spam filter.

UI001: This message has been blocked.

The University of Iowa has adopted a ‘no tolerance’ stance toward unsolicited commercial electronic mail commonly known as "spam".  Unfortunately, the email was identified by our anti-spam product-rules as having a spam probability higher than the recipient's selected anti-spam level and was therefore not delivered to the recipient.

UI002: This message has been blocked.

The University of Iowa has adopted a ‘no tolerance’ stance toward unsolicited commercial electronic mail commonly known as "spam".  Unfortunately, the email was blocked because of complaints and was therefore not delivered to the recipient.

UI003: This message has been blocked.

The University of Iowa has adopted a ‘no tolerance’ stance toward unsolicited commercial electronic mail commonly known as "spam".  Unfortunately, the email was identified by our anti-spam product-rules as having a spam probability higher than our default level and was therefore not delivered to the recipient.

UI004: This message has been blocked.

The University of Iowa has adopted a ‘no tolerance’ stance toward unsolicited commercial electronic mail commonly known as "spam".  Unfortunately, the email was identified by one of our email servers as having a spam probability higher than our default level and was therefore not delivered to the recipient.

UI005: This message has been blocked.

The system has been blocked because it is sending email that does not follow good email practices. Typical reasons might include: (1) the SMTP MAIL FROM and RCPT TO address are the same, (2) the SMTP MAIL FROM address specifies a system which will not accept delivery errors, (3) the SMTP MAIL FROM address is invalid, (4) the system is consistently sending spam or viruses, etc. 

UI502: Email rejected due to potentially unsafe attachment.

The email has been rejected due to it containing a potentially unsafe attachment.  See Attachment Blocking Information for more information and for a link to the list of blocked extensions.

Your message was rejected due to spam filtering. Please see http://www.sophos.com/security/ip-lookup

The University of Iowa has adopted a ‘no tolerance’ stance toward unsolicited commercial electronic mail commonly known as "spam".  Unfortunately, our anti-spam product blocked your email based on the sending IP address and was therefore not delivered to the recipient.

Our charter at the University of Iowa is committed to unconditionally deliver relevant and pertinent email. If you feel we have blocked your message in error, please forward the entire message including the error code and full email headers to its-helpdesk@uiowa.edu (319-384-HELP).

Article number: 
1306
Last updated: 
July 25, 2016