Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More
Lolu chungechunge lwabekwa kunqolobane. Uyacelwa ubuze umbuzo omusha uma udinga usizo.
Okugcinwe kunqolobane

unable to authenticate outgoing server

I-Thunderbird Amasu namacebo
jscher2000 -... replied
rdewe
rdewe

using thunderbird, cannot send some emails- error message unablr to authenticate outgoing server (SMTP) mail.waitrose.com. I am receiving emails normally and can reply to sent emails.

using thunderbird, cannot send some emails- error message unablr to authenticate outgoing server (SMTP) mail.waitrose.com. I am receiving emails normally and can reply to sent emails.

All Replies (1)

jscher2000 - Support Volunteer
jscher2000 - Support Volunteer

I'm going to flag your question for a Moderator to move it from "Firefox" to "Thunderbird".