hello. i'm using trial version of .net assembly. what i want to ask question is ..are there any method or way to check email validity without my smtp server? i found some url but all example in that page was "Nout Found" error. https://www.chilkatsoft.com/p/p_325.asp
would you give me some sample ? and also i found some another page which guide checking email validity with smtp server. https://www.chilkatsoft.com/p/p_118.asp
what can be different or what is efficient method to check email validity bulky? for my opt-in mail marketing i want to minimize bounce email so i want to check email validity.
i worry if i use gmail server to verify email maybe i can't much check bulky. thanks for your support