3
The current version produces a "Update your browser!" message - which is not helpful since I already have the latest, and that is not the problem.
Mosaico itself (not just the CiviCRM integration) is picky about the plugins you have installed in your browser.
See https://github.com/voidlabs/mosaico/issues/383#issuecomment-428911320 and https://github.com/...
3
Changing the URL to redirect elsewhere is something that happens outside of CiviCRM. If you have click-through tracking enabled, you could also probably change the URL in civicrm_mailing_trackable_url in the database, but I've never tried this.
2
I know this is old but I wanted to add another answer to hopefully help others in the future.
ImageMagick has to be installed on the PHP version that the site runs on; if it is installed on 5.x and your site runs on 7.x, it won't pick up the package. This might seem obvious but I feel things like this are often overlooked.
Additionally, if you have it ...
2
If it has been working correctly and then produces this error, clearing the cache is sometimes enough to get it working again: Administer > System Settings > Cleanup Caches and Update Paths
1
If the same credentials work on one server and not another, there's a good chance that you have php-mcrypt installed on one and not the other. When php-mcrypt is installed, CiviCRM encrypts the SMTP password, and assumes that any passwords are encrypted. This can be a problem if your PHP environment changed (in particular, php-mcrypt is deprecated and it's ...
1
I'm working with a site that has used MailJet via SMTP for a number of years. I'm not aware of any issues of using it in that way.
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