Problems with Mail Transport Server

3253935 ● 11 months ago

Same problem with same message: Wrongor missing login data to access mail transport server smtp.mailbox.org. Pleasecheck associated account's settings/credentials

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8259206 ● 3 months ago

Same message in webmail.

If I try Thunderbird, it says:

Sending of the message failed.

The message could not be sent using Outgoing server (SMTP) smtp.mailbox.org for an unknown reason. Please verify that your Outgoing server (SMTP) settings are correct and try again.

Maybe it's because I have a brand new account that was only activated a few hours ago?

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Peer Heinlein [mailbox.org] ● 3 months ago

Your account was locked by our anti-abuse system. I unlocked it.

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8259206 ● 3 months ago

It works now, thanks!

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2962122 ● 3 months ago

Hi,

I'm facing the same problem. I can't send mails via the web-client. The Android client doesn't work either.

I subscribed/paid yesterday - that should not happen.

Error pop-up box reports:

"Wrong or missing login data to access mail transport server smtp.mailbox.org. Please check associated account's settings/credentials."

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8387122 ● 3 months ago

Hi,

I've been trying to send an email since I opened my account but it keeps saying

Wrong or missing login data to access mail transport server smtp.mailbox.org. Please check associated account's settings/credentials.

Also, I'm unable to subscribe to calendars.

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9030297 ● 3 months ago

I just signed up as a paid customer and I'm having the same problem - can't send email via either web interface or via activesync or imap; please help.

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1

mailbox.org Support ● 3 months ago

Please try again and let me know if there are still problems.

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5799907 ● 3 months ago

Hey. I have created an account and just set up my personal email. Having the same problem as I tried to reply to the first message I had sent to myself from another account. Can you please take a look to see what this is?

Thanks!

"Wrong or missing login data to access mail transport server smtp.mailbox.org. Please check associated account's settings/credentials."

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5799907 ● 3 months ago

I guess I found out my problem. I was using a VPN service, and I just learned that most VPN providers block SMTP by default. You have to reach out to them to open up your specific mail server. This was not a mailbox.org problem. :)

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1783964 ● 3 months ago

Same problem! Account opened yesterday and I have only been able to send one email through Thunderbird, then I suddenly got the same error message. I spent one full day trying to figure out if it was the wrong settings in my client, but every attempt resulted with the same error. Then I tried with the webmail and got the same credential errors. Tor support is advertised, but your onion address is not even reachable. It's clearly your fault.

I think that for me it's time to give up, close my account and go elsewhere because if there are troubles like these after one only test email sent, then I really don't know what to expect during normal usage. An email account is supposed to allow a simple job like sending emails, but this one seems to be designed only to make people frustrated and waste their time in trying to fix something that they just can't since the fault comes from the service itself. Considering that email servers exist from decades and they are know to work reliable, it's simply unacceptable troubles like these. If your custom anti-abuse system considers an abuse the second test email sent in the whole life of the account, then you need to revise completely its design or, even better, replace it with other ones that exist from long time and are known to work.

I am so disappointed to be forced to change the good review in my blog because after all, when the service was working, it was pretty nice.

I hope that one day in the future you can fix these troubles and give your service a second chance.

Thanks

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Peer Heinlein [mailbox.org] ● 3 months ago

Hi,

We're recently worked very hard on this and had a working group meeting two days ago and will change the anti abuse stuff this week.

Right at the moment we're under heavy fire from spammer/phisher/criminals opening ten-thousands of accounts at mailbox.org. We have different ways how to detect this with our anti-abuse systems.

Right at the moment there are rare unwanted side effects for people coming from exactly the same network blocks like the spammers doing their registration right at the same time and in the same way like the ongoing spammer registrations are done. If that and some other conditions are also fulfilled, they're registration could be set to "possible abuse" so that the system locks outbound mail for those accounts to protect everybody against that.

This only affects fresh registrations under rare condition. This does not affect existing older/existing accounts, so this has nothing to do with "normal usage".

We developed some new ways on how to detect this massive abusive account registrations so that we're very optimistic to solve thies unwanted side effect problem in the near future.

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7095482 ● 1 month ago

Wrong or missing login data to access e-mail transport server smtp.mailbox.org. Please check associated account's settings/credentials.

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1

7400963 ● 1 month ago

Wrong or missing login data to access e-mail transport server smtp.mailbox.org. Please check associated account's settings/credentials.

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1

Peer Heinlein [mailbox.org] ● 1 month ago

Yes, we blocked your account due to spamming/phsihing/mailcious activities.

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7412223 ● 1 month ago

I am having the same problem.

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7412223 ● 1 month ago

(Both through the web interface and while trying to setup K9 Mail)

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7412223 ● 1 month ago

The problem is fixed. Thank you!

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7095482 ● 1 month ago

Wrong or missing login data to access e-mail transport server smtp.mailbox.org. Please check associated account's settings/credentials.

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4536457 ● 1 month ago

I have the same problem. I haven't been able to send a single mail with my trial account, using the web interface or SMTP server.

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4536457 ● 1 month ago

It works now.

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Rob W ● 3 weeks ago

Another person here with the same problem! Please advise how I can get this problem sorted, thank you! Rob

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8351927 ● 3 weeks ago

Similar problem here. Connection to IMAP is stable, but SMTP hangs for several minutes before coming back with "msmtp: the server sent an empty reply". I was able to send a message to myself over web interface though. What would you advise?

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8351927 ● 3 weeks ago

I managed to get to the bottom of this on my own. All over the website it says SMTP server port is 465, and at least a month ago it used to work.

But last few days all I was getting on that port is:

murchik@moover ~ λ openssl s_client -debug -starttls smtp -crlf -connect smtp.mailbox.org:465
CONNECTED(00000003)

So it accepts my connection and freezes. By randomly poking around I found that port 587 accept connections now, and it works perfectly well.

I tried both msmtp and openssl clients to test this. I also tried doing so from several different locations, including one in Germany (a Hetzner server). Results were consistent.

Is this an expected behavior or is it a misconfiguration? If it's the former is it documented anywhere? If the latter, do you guys have any monitoring to detect this kind of things? Or does anybody pay any attention to user complaints?

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5153347 ● 1 week ago

I don't think this forum is attended by MB staff much, I think if you "create a ticket", you will get a response within a week or less, you have to find the German ticket option

btw, do you use a VPN ? if so which one ?

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8351927 ● 1 week ago

Looks that way, yeah.

I use a few self-hosted OpenVPN and Shadowsocks.

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9852989 ● 1 week ago

Please help! I try sending emails from my mailbox.org account, but i keep getting this message: Wrong or missing login data to access mail transport server smtp.mailbox.org. Please check associated account's settings/credentials.

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mailbox.org Support ● 1 week ago

@9852989

We blocked your account due to spamming/phishing/malicious activities.

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Problems with Mail Transport Server

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