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.

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 ...

It appears many Mail users are having authentication problems in which they are prompted for the username and password every time a message is sent (either manually ...

Sending email messages from your iPhone uses a different server connection than receiving email. Because of this, your iPhone can sometimes receive email but be unable to send it. Settings for ...

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 ...

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.