Zimbra: Spam problem
zmlocalconfig | grep -i restriction postfix_smtpd_client_restrictions = reject_unauth_pipelining postfix_smtpd_data_restrictions = reject_unauth_pipelining
View ArticleBackscatter Mail
http://www.postfix.org/BACKSCATTER_README.html When a spammer or worm sends mail with forged sender addresses, innocent sites are flooded with undeliverable mail notifications. This is called...
View ArticleZimbra Backscatter
http://www.zimbra.com/docs/os/8.0.4/administration_guide/wwhelp/wwhimpl/common/html/wwhelp.htm#href=8.0.4_Open_Source_Admin.Anti-spam_Settings.html&single=true zmlocalconfig -e...
View Article
More Pages to Explore .....