1
I want to know what happens if an email delivery fails because email account does not exist and if someone creates same account later then what happens to failed mail delivery. Does email server keeps trying to send that email or it tries only one time?
2I expect theeror message will tell it what to do. If the address does not exist, why would it send more times? – Xavierjazz – 2014-05-07T20:39:05.897
http://www.penpublishing.com/Support/EmailErrors/UnderstandingEmailErrors/#userunknown – Ƭᴇcʜιᴇ007 – 2014-05-07T20:43:54.247