If you go to that link, you ll find a lot of players in the market – many of which we ve tested and used for our clients.
There s a huge difference between the two.
Email length is important as well as construction.
A valid email will be sent, but not necessarily received by the recipient s server for a number of reasons.
Verification is an essential maintenance step for any large email sender.
Most very large email senders integrate validation directly into their landing forms and intake processes.