* Stan Hoeppner <s...@hardwarefreak.com>: > On 8/4/2011 9:57 AM, Alejandro Facultad wrote: > > What is the difference if the recipients opt in receive the mails or not, > > from the point of view of spam black lists ??? > > No difference, if you're referring to DNSBLs. Almost all are trap > driven.
Uhm, if somebody (double) opt-in, then it's really unlikely to be a trap. > So if you're sending to real customer addresses, you won't get listed > on DNSBLs. Yeah. > If many of those 15K addresses are at gorilla receivers such as gmail, > hotmail, yahoo, aol, you will run into delivery rate problems, Oh yes. > "this is spam button" problems, etc. In which case you should read the > list archives. This type of bulk sending, almost an identical > scenario, was covered recently, within the last month or two. > > -- > Stan -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | http://www.charite.de