https://www.emailonacid.com/
5077 views 14 answers 0 votes
It depends on your email practice and your list building method.
2783 views 6 answers -1 votes
SPF is a security mechanism to prevent sending email on behalf on your domain.
It define by which IP you are going to send your email.
DKIM DomainKey Identified Mail is created for reason like SPF.
Sending Domain digitally sign (key) the message … (more)
2576 views 3 answers 3 votes
