Even though mail servers can be configured to silently discard email, the SMTP RFC strongly discourages this Except if senders are acknowledged to get fraudulent or undesirable. For all other mail, the RFC recommends returning undeliverable mail with an error code. Prior to deciding to can send your first https://it-support80147.wssblogs.com/26806626/the-5-second-trick-for-bulk-sms