FAQ's (These may be helpful AFTER installation): https://dynasend.com/pages/email-signature-user-faqs.html
REQUIRED BROWSER FOR APPLE MAIL
To properly support an HTML email signature, the Safari web browser cannot be used for your signature installation. The formatting will turn out wrong if Safari is used to open and copy the signature.
Please download and install either Chrome or Firefox before installing your signature. Download pages for each are here:
Chrome free download - https://www.google.com/intl/en/chrome/browser/desktop/index.html
Firefox free download - https://www.mozilla.org/en-US/firefox/new/
Notes for installing Chrome and Firefox:
Clicking the above links will take you to the Chrome or Firefox download page. Click the blue DOWNLOAD button. An installation file will download to your Apple download folder. They will appear as disk image thumbnails:
Double clicking the Chrome/Firefox thumbnail will open the installation window:
In the installation window, just drag the Chrome/Firefox icon onto the Application folder. This will install the Chrome/Firefox browser.
PART 1 - DOWNLOAD THE ZIP FILE THAT CONTAINS YOUR SIGNATURE FILES
Enter the email address you used to create your signature:
A ZIP file containing your signature folder will be downloaded to your Download Folder. The ZIP contents will automatically be extracted.
Open the signature folder from Downloads as shown below.
PART 2 - COPYING YOUR SIGNATURE FILES
Step 1 (Refer to graphic below):
The Signature folder will contain your HTM signature file. Right-click (or Option-click) to open a drop-down menu.
Select "Open with", then select either Firefox or Chrome from the next menu.
Step 2 (Refer to graphic below):
With the browser window active, Hit COMMAND-A to highlight the signature.
Then hit COMMAND-C to copy the signature to your system clipboard. Hide or close the browser window.
Step 3 (Refer to graphic below):
Open your Apple Mail. Hit COMMAND-; (CMD and semicolon) to bring up Mail Options. Mail Options can also me found under Mail in the top menu.
Find the signatures dialog in the Options menu.
Make sure your email accoint is highlighted for all of the following steps.
Click the "+" button to start a new signature. The new "Signature #1" will be listed in the center column. You can rename if need be.
In the right column, delete the text shown.
Step 4 (Refer to graphic below):
With your cursor still in the right column, hit COMMAND-V to paste your signature into the window. The images will not show here which is normal.
Use the "Choose signature" drop-down menu to select this signature as the default for your email account.
You can now close the Options Window.
Step 5 (Refer to graphic below):
Open a new email to see that the installation was successful.
If the signature appears with some misalignments or gaps, there is nothing wrong. This sometimes happens when composing a new email. Your signature will appear perfectly when delivered to your recipient.
Hyperlinks in email will not work while you are composing or responding to a message. To test your links, click while holding down the Command key.