Feb 15, 2020 · The mail server "mail.optonline.net" is not responding. Verify that you have entered the correct account info in mail settings." She did click OK. She spoke to Verizon and …

Aug 14, 2025 · Step two – Connect your authenticator app Now that one of the applications is installed, you can set up two-step authentication for your Mozilla account: Sign in to your …

Jul 18, 2018 · Thunderbird's automatic email acct setup established my new optimum.net POP3 acct on my desktop Thunderbird application okay, except it does not have a secure connection …

Mar 23, 2025 · Disable two-step authentication or use a backup authentication code to regain access to your account if you've been locked out of two-step authentication login.

Aug 9, 2023 · Will messages downloaded from a server be accessible even after the email server account is closed Optimum SMTP rejecting one account's "sent" email as spam

Oct 20, 2021 · What happens when @optonline.net address is replaced with @optimum.net address? Does your incoming mail addressed to @optonline.net still arrive or returned to …

Nov 30, 2024 · This article explains what to do if you forget or lose your Mozilla account password and can't access your Sync account.

Jul 30, 2025 · Backup, recovery, and sync Sync your data across different platforms and devices, backup what’s important, and recover it if it’s lost.

Oct 27, 2021 · Mail server pop.optonline.net responded: Service Temporarily Unavailable". This happened after the latest windows update. I also noticed in windows settings that there are …

Jan 29, 2021 · Long, sad story. I may have lost 25 years' worth of Thunderbird email folders - spanning most of my medical/academic career, plus personal communications (including …