The online e-mail services use ads that pay when someone clicks on them and because there are so many people that use them they make a large amount this way. E-mails from internet providers are paid directly by the customer. Some sites don't make any money from e-mail but use as a free incentive to get more visitors for other sections of the site.
E-Mail, FTP, & Web Servers all use DNS Servers to find clients and servers!
There are many e-mail Servers but for any one to be a good e-mail server they should have spam blocker and the ability to block unwanted e-mail adresses. First any e-mail that iss offered through your internet provider would be an excelent choice. Like roadrunner, Aol, etc. If that is not an option then using Hotmail or Yahoo is also a good choice.
what is my server for hotmail.com
identifies the email servers for a domain
It can be. The iPad can connect with virtually all types of email servers to allow you to send and receive.
SMTP
Jakirhosen@gmail.com
By defining priorities in the MX record.
receives email from the client's MUApasses email to the MDA for final deliveryuses SMTP to route email between servers
Internal email is electronic mail that only uses a company's internal mail servers. External email makes use of two or more mail servers as the mail is routed, the originating server and the destination server.
From milliseconds to a few minutes, depending on the DNS servers between your email server and the email server of your recipient
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