After submitting a form to email, I get two emails instead of one. How can I fix it? I need that only one letter come to email.
What is SPF and how it is related to email authentication?
I'm trying to implement a newsletter solution that sends mass emails.
Do you know any SMTP server that I can leverage?
Obviously, I'm looking to maximize the opening ...
I'm currently developing an input form to collect the user's email address. I would like to know if there is a known C# method to make sure that the email address ...