Common Issues

Common issues with MailWizz
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Special characters, such as “€” don’t show properly inside invoices

This happens because your PHP install lacks the iconv() function, most likely because PHP has been compiled without...

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Column already exists 1060 Duplicate column name

This happens because you have ran an update previously and it failed for whatever reason

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Installation does not pass the welcome screen

Under the install page, I can not get past the the Welcome area

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Unable to upload file for importing

This happens because the file you try to upload does not have the correct mime type, for example you upload a csv file...

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While importing, I get this error - The CRSF token could not be verfied

This error happens when you try to upload a larger file than your PHP configuration allows.

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Cannot find a valid server to send the campaign email, aborting until a delivery server is available!

This error is shown because MailWizz does not have a delivery server to pick to send the current campaign.

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Delivery and Bounce logs, why you should monitor these

Usually we get a certain percent of support tickets related to sending issues

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Failed to authenticate on SMTP server with username "XYZ" using 2 possible authenticators

If you know the login credentials are fine but you still get this error, then you should do as follow.

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How do I import subscribers

This is a common question and even though the answer is very very simple, seems that many people get confused

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Seems that bounces aren’t processed, what can I do?

Seems that bounces aren’t processed, what can I do?

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The IMAP extension is missing from your PHP installation

In case this kind of error isn’t pretty self explanatory, your php instance doesn’t contain the imap extension

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What are the cron jobs that I have to add?

Here is the current cron jobs list that you need to add

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