Verizon is one of the many Internet Service Providers that require you to authenticate when sending mail. The purpose of SMTP authentication is to reduce email spamming and abusive mailing behaviors.

The Simple Mail Transport Protocol, or SMTP, is a standard for how computers talk to each other to send email. If you're sending email using Microsoft Outlook, your computer may connect to your ...

I work for an ISP and occasionally deal with customers who swear up and down that they need *our* outgoing email server to make email that we do not host or provide work. Example: Customer has ...

July 5, 2005 Add as a preferred source on Google Add as a preferred source on Google One of the little-known freebies Gmail offers is a portable SMTP server to send mail from any network for any email ...

I'm not sure I understand the pertinent details of your post, but if you are using AOL as your ISP, this is why your e-mail receives the suffex reflecting the AOL mail server (SMTP).

Email: It's been around for decades, and people are still confused about how it works--and for good reason. Setting up and troubleshooting an email account can be an irritating venture. Recently, we ...

For years, POP (Post Office Protocol) email has been a thorn in my side. Apple's email service uses the IMAP (Internet Message Access Protocol) protocol for email, as do many other email services.