Because our mail filters make use of a number of RBLs this can lead to emails being blocked from some senders who use those ISP's.
The sender may receive a message such as:
The message for failure includes the following
fast 550 (111.222.123.131) junk mail reject)
If so then they should contact their email provider to resolve
To find out if a server has been blacklist check http://www.webconnect.nz/knowledgebase/166/Check-to-see-if-mail-not-black-listed.html
Tuesday, May 26, 2015
