1304481 - cannot get or send mail - see "Mail Server [e-mail] is not an IMAP4 mail server"

Status: RESOLVED INVALID

(Thunderbird :: Untriaged, defect)

Description

[emmebrown51]

User Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:48.0) Gecko/20100101 Firefox/48.0
Build ID: 20160823121617

Steps to reproduce:

I did nothing.  Thunderbird automatically upgraded and one of my Thunderbird email accounts has quit working.  All I need to do is click on inbox and I get the message "Mail Server [e-mail] is not an IMAP4 mail server.  I have no idea what this means.


Actual results:

I can click on my other Thunderbird account "[e-mail]" and everything works just fine it is only my main account "[e-mail]" that I can not receive or send out any mail because emmebrown51@gmail is not an IMAP4 server.


Expected results:

Clicking on my inbox for the (emmebrown51) account I should receive my mail on Thunderbird but the send box doesn't work either.  I get the message that for security reasons gmail will not send or get my messages because of an out of date app that Thunderbird has.  I have no idea what that app is.

Comment 1

[Wayne Mery (:wsmwk)]

Onno have you ever seen this?

Comment 2

[Onno Ekker [:nONoNonO UTC+1]]

I have never seen this, but I think there might be two causes for this problem:
- Maybe you haven't specified for Gmail to allow IMAP Access. Log in to mail.google.com and go to (Gear icon) Settings -> Forwarding and POP/IMAP and check that IMAP is (still?) enabled…
- Maybe you use the wrong/old authentication method and you haven't configured Gmail to allow access for less secure (yuck!) apps. Either log in to mail.google.com and go to https://www.google.com/settings/security/lesssecureapps and turn on access for less secure apps or go to Thunderbird -> Options -> Account Settings -> [your gmail account] -> Server Settings and change the authentication method to OAuth2.

Comment 3

[emmebrown51]

Subject: Re: [Bug 1304481] cannot get or send mail - see "Mail Server [e-mail] is not an IMAP4 mail server"
I have tried both suggestions and this message comes up:  The current operation on inbox did not succeed.  The mail server for account  [e-mail]  responded: unknown command rs5mb6778810iec.

I have another account with google mail and everything is fine with it.  I have checked and the settings for [e-mail] are all the same as [e-mail].  Why one account and not the other?

Marie Brown

Comment 4

[Jorg K (CEST = GMT+2)]

This is a support problem and not a TB bug. We have millions of users using TB with Gmail.

Please note: Bugzilla is NOT a support forum. It is a tracking system for bugs in Mozilla products.
This is a support question. You can get support here:
https://support.mozilla.org/en-US/products/thunderbird

Comment 5

[Jorg K (CEST = GMT+2)]

Marie, have you been able to figure out why one Gmail account worked and the other one didn't?
"Mail Server [e-mail] is not an IMAP4 mail server" seems to indicate that the configuration wasn't right, since [e-mail] is not a server name but an e-mail address.

Comment 6

[Jorg K (CEST = GMT+2)]

Private message received:

After trying every which way to figure out what was wrong *I got up one morning and it was working*.  Why the one account wouldn't work and gave such a weird reason and my other account with gmail that I got my mail through Thunderbird worked just fine.  I have absolutely no idea what was going on.