Why won't my Gmail SMTP settings work?
Feb 27, 2020 Outgoing mail is failing in eM Client, authentication If Pop is working but not SMTP its probably your configuration. Some are having problems because Verizon after being recently hit by foreign sites tried to break in to a large number accoungs, shutdown foreign access. They will "whitelist" foreign addresses but only as contacted by customers. This problem however normally means that neither Email Gateway is not responding on HP Printer Solutions
Apr 08, 2020
How to Fix Comcast Email Not Working On iPhone | by James Aug 08, 2019 Resolve Email Issues - Email Support - AT&T Includes the correct recipient email address. If it doesn’t, you may receive a Failed Delivery or Problem Found - Message Not Sent message. Sign out of your email account, and then sign back in. Check your spam folder for missing messages. Review your settings (select the gear icon):
Errors sending mail (SMTP)
Message received: The SMTP server "smtp.telus.net" is not responding. Check your network connection and that you entered the correct information in the "Outgoing … SMTP Gateway Not Responding | DuoCircle SMTP Gateway Not Responding. Outbound SMTP - Sign Up FREE. Like most other people on the planet, you most likely use email every day. In that case, you probably deal with SMTP servers and gateways to do so. Although everything runs smoothly for the most part, there is the potential to run into problems. Troubleshooting GMAIL SMTP authentication errors Jul 23, 2019 How to Fix DNS Server Not Responding Errors