4 ms·Sending a high volume of mail through a server with a new IP will raise red flags.by wefarrell 8y agoSending a high volume of mail through a server with a new IP will raise red flags.koolba 8y agoIf cost is a concern it does pay dividends in the long run though. Biggest hassle is the initial setup.wefarrell 8y agoIt warrants physical infrastructure, which for many companies this is a non starter. Cloud IP addresses tend to have pretty terrible reputations with email clients.