Cannot send urgent email: SASL login name rejected
Hello,
A business email expects a reply urgently, so I decided to write in this forum as well.
Is there a Mailbox employee that I could reach faster here, as a one-time exception? Sorry, it's urgent.
My tech support ticket ID is: 8779719
The case:
I am the technical contact for this account. I've been setting a custom domain (DMARC, SPF, etc) and I followed a certain email test for delivery to various email providers (100-120 email addresses). On a brand-new Mailbox account. Now that I think of it – probably a bad idea sending that much.
First attempt was an issue with DNS settings. Resolved.
Second attempt I couldn't send email through web client or Thunderbird. Got error: SASL login name rejected.
Reviewing other cases in the forum indicates that this is a false positive.
Also, the account owner's IP is in Germany and mine is in Bulgaria.
I take responsibility to not run this test again. May I please ask that you unblock the account?
Kind regards,
Yavor
The same problem 
Hello Milkana Mladenova,
thank you for your posting. We have received your ticket and a colleague will have a look at it.
For new accounts, there are limits in place to prevent misuse by potential spammers or fraudsters. We kindly ask for your understanding. You can find more information about this in our Knowledge Base: https://kb.mailbox.org/en/private/e-mail/mailbox-mail-sending-limit/
Kind regards
Your mailbox Team
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Useful links:
Hello Milkana Mladenova,
thank you for your posting. We have received your ticket and a colleague will have a look at it.
For new accounts, there are limits in place to prevent misuse by potential spammers or fraudsters. We kindly ask for your understanding. You can find more information about this in our Knowledge Base: https://kb.mailbox.org/en/private/e-mail/mailbox-mail-sending-limit/
Kind regards
Your mailbox Team
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Useful links:
Thank you.
Thank you.
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