Support » Plugin: Postman SMTP Mailer/Email Log » Inline images

  • Resolved Sanderth


    Hello everybody,

    Before I ask my question, you should know that I’ve already read this:

    So I’ve been using this plug-in to ofcourse, send mails. Now I’d like to put images in my e-mail that will load in any email client. From what I’ve read on the web, I’ll need to add some kind of Content ID. I’ve found some examples using the normal wp_mail, but that doesn’t work because that’s for PHPMailer.

    However, I found something that might work, I know it’s not officialy part of Zend_Mail. So, does anybody know anything about this subject? Perhaps how to implement it in Postman? Here it is:

    Thanks in advance.


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  • Plugin Author Jason Hendriks


    Postman’s test email has an inline image that is loaded from an external source. This makes it compatible with a wider range of email clients.

    However, if you want to accomplish traditional inline images, those that are embedded into the email, you can follow this great example:



    Wanted to thank you for your response.

    Unfortunately, it didn’t really help. Perhaps I should’ve been more clear, too:

    I would’ve like the images to be visible by default in ALL if not most popular e-mail clients. Ofcourse I know because of security issues this is probably not possible. But I thought it was worth a try. I’ve given up already because I got tired of seeing it fail every single time for about one day.

    Thank you anyways, your plugin is very useful for sending e-mails!

    Plugin Author Jason Hendriks


    I would’ve like the images to be visible by default in ALL if not most popular e-mail clients.

    Is there an email client where the image in Postman’s test email does NOT show? I’m not aware of any.



    Well, now that you mention it. My Outlook (2010) client doesn’t show it, but Thunderbird does (way to go Thunderbird! :D)

    However, in the e-mails I want to send, the user has to accept downloading of product images they put in their wishlist. I don’t think that it is really user-friendly, but I’ve got no other choice now than accepting it at this point since it seems impossible ‘bypass’ security (and it wouldn’t be wise to do so).

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