Error messages
Error messages solved
Seeing an error message with a code in your email, on your website, in FTP or in Nextcloud? Look up the message here. For each message you'll read what it means, what usually causes it with us, how to fix it step by step and when it's better to call us in.
Contents
All error messages
Click a message to open the explanation.
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1
Email
- 1.1 Error code 550: which variant do you have and what should you do?
- 1.2 Error code 554: mail rejected
- 1.3 Error code 535: authentication failed (also in webmail)
- 1.4 451 4.7.500 Server busy: Microsoft is throttling your mail
- 1.5 Message limit reached: you have hit the sending limit
- 1.6 552 Mailbox full or message too big
- 1.7 Relaying denied: your email program isn't logging in
- 1.8 Account ... can not send emails from ...
- 1.9 Certificate warning in your email program
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2
Website
- 2.1 500 Internal Server Error or a critical error
- 2.2 503 and Resource Limit Is Reached
- 2.3 403 Forbidden caused by Imunify360 or the firewall
- 2.4 ERR_SSL and other certificate errors in the browser
- 2.5 ERR_TOO_MANY_REDIRECTS: too many redirects
- 2.6 Error establishing a database connection
- 2.7 413 Request Entity Too Large: upload too large
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3
FTP, Nextcloud and apps