c# - '5.7.1 Client does not have permission' error while
Mailbox unavailable. The server response was: 5.7.1 Unable The server response was: 5.7.1 Unable to relay for abc@xyz.com" when I try to send the mail using ASP.NET. The site is deployed on IIS7, Windows 2008 server. The site is deployed on IIS7, Windows 2008 server. Problem with smtp using Thunderbird - The mail server These forums are locked and archived, but all topics have been migrated to the new forum. You can search for this topic on the new forum: Search for Problem with smtp using Thunderbird - The mail server responded 5.7.1.. on the new forum.
A sending domain is a domain that is used to indicate who an email is from via the From: header. Using a custom sending domain enables you to control what recipients see as the From: value in their email clients. DNS records can be configured for a sending domain, which allows recipient mail servers to authenticate your messages.
These forums are locked and archived, but all topics have been migrated to the new forum. You can search for this topic on the new forum: Search for Problem with smtp using Thunderbird - The mail server responded 5.7.1.. on the new forum. Cannot send email using Outlook: 554 5.7.1: Client host Jun 30, 2020 How to solve Exchange SMTP server error ’5.7.1 Unable to
The mail server responded: 5.7.1 • mozillaZine Forums
The recipients server has determined the senders server to be a source of spam, or that it had failed security checks; What exactly is a relay access denied error? When you send an email, your email client sends the email to your own mail server. Your mail server then sends it on (Relays) to the recipients email server. SOLVED - Thunderbird not sending email from one account I found the answer indirectly using Mozilla support. In the Outgoing Server settings, Username was set to ***** instead of *****@aol.com. Simply put, I added @aol.com to the Username and it worked. I was asked to confirm Password on sending my first email, but I checked the box to Save the password using Password Manager. 550 5.7.1 Unable to relay for - social.technet.microsoft®.com