SMTP only from Email Filter provider Home Page › Forums › Network Management › Firewall, Traffic Shaping and Net Balancer › SMTP only from Email Filter provider This topic contains 1 reply, has 0 voices, and was last updated by ksrimoungchanh 7 years ago. Viewing 1 post (of 1 total) Author Posts January 23, 2012 at 10:01 am #43248 ksrimoungchanhMember Hello all: For the life of me.. I cannot get the forward rule to only allow tcp 25 from only a couple of netblocks. Please help? Clean forward rules right now. Kou Author Posts Viewing 1 post (of 1 total) You must be logged in to reply to this topic.