If pretty high sending volumes are your priority, SMTP.com is your answer. The name provides you with a clue what it’s all about. It’s an SMTP server company with an API for flexible integration. SMTP is really an email-sending protocol, While IMAP4 and POP3 are protocols for receiving emails. https://bookmarkstumble.com/story18434322/the-5-second-trick-for-server-security-expert