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.

MailForge, a self-hosted email delivery platform by LanxHost, has expanded its availability for organizations that require ...

Before you delve into the process of creating an SMTP server for your small business, consider whether it requires a dedicated mail server for security, or if you can configure your messages to bounce ...

I'm writing a program that will have to send mail through SMTP. Doing that, I came across a really weid behavior of our exchange 2013 server: If the SMTP session authenticates the session through AUTH ...

Phishing actors abuse Google's SMTP relay service to bypass email security products and successfully deliver malicious emails to targeted users. According to a report from email security firm Avanan, ...

Some Outlook users have reported that they are unable to send email from the app as when doing the same, they receive Error 503 stating that the Valid RCPT command ...