Multipart Email Text + HTML

  • Resolved Don Chipriani

    (@alife2blog)


    5 years, 5 months ago

    Hi

    Does your plugin have to option to create a Multipart Email MIME Html + Text not just HTML?

    It is recommended in the industry, including by Mailgun to do so. It improves score and mail deliverability. It decreases the chance of legitimate email being marked as being spam and thus landing (disappearing) in spam folders.
    spamassassin

    If your plugin does that than it’d be the perfect solution. If you don’t already do that please research the subject and you’ll see the importance of it.

    From Mailgun: “It is best to send multi-part emails using both text and HTML or text only. Sending HTML only email is not well received by ESPs. Also, remember that ESPs generally block images by default so HTML only will not look very good unless users are proactive about enabling images. There are a few tools available to test how your email will render across ESPs and browsers. Litmus offers one, as does Return Path.”

    For example check this plugin “LH Multipart Email”: LH Multipart Email. Haven’t used it it’s what I found so far.

    A review from that plugin reads: “I had a simple notification email sent by Gravity Forms that used to get a score of 1.6 with SpamAssassin, which isn’t bad, but there were simple rules that could be fixed. This plugin fixed those rules. After installing it, the same notification email got a score of -0.1.

    Before installing this plugin, the SpamAssassin tests were:
    DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HTML_MESSAGE,HTML_MIME_NO_HTML_TAG,MIME_HTML_ONLY,SPF_PASS

    After installing this plugin, and doing nothing else, the tests were:
    DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HTML_MESSAGE,SPF_PASS,URIBL_BLOCKED

    Brilliant! Thank you!”

Viewing 3 replies - 1 through 3 (of 3 total)
  • Plugin Author Hannes Etzelstorfer

    (@haet)

    5 years, 5 months ago

    Hey Don,
    Thank you for this detailed research. The plugin doesn’t send plain text yet but this seems to be an important feature we should address in the next release.
    I’m going to add this to my task list right now.

    Thread Starter Don Chipriani

    (@alife2blog)

    5 years, 5 months ago

    Looking forward to see it added.

    Consider using Jevon Wrights Html2Text library as LH Multipart does.

    <<<<<<<<
    (from LH Multipart Q&A ) How is this plugin different from Danny van Kooten’s Add Plain Text Email plugin?

    Both plugins achieve the same thing and use the same approach, however his simply strips html tags from the html email version to create the text version. In contrast mine uses a more advanced approach using the Jevon Wrights Html2Text library, thus includes links and other useful information whilst still producing a conforming text alternative.

    http://wiki.apache.org/spamassassin/Rules/MIME_HTML_ONLY
    >>>>>>>>>>>

    Plugin Author Hannes Etzelstorfer

    (@haet)

    5 years, 4 months ago

    Hey @alife2blog,
    I just wanted to implement this feature but I realized when I use a SMTP mailer plugin it doesn’t work.
    The plugins I checked replace the WordPress phpmailer so they also remove the only possible way I found to add the plain text version.

    If you have to decide whether to use STMP or Plaintext alternative in my opinion SMTP is more important so I wont add this feature. Sorry

Viewing 3 replies - 1 through 3 (of 3 total)
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