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Add Linked or Embedded Images to Signature

Sigsync allows two ways of inserting images into your emails Signatures.

Follow the details to know to make an informed decision between using linked or embedded images in email signatures:

Adding Linked Images to Signature

From the Sigsync dashboard click the 'Preferences' tab. Select the option 'Hosted or Linked images' as shown below. This option is selected by default.

Hosted or Linked Image

Upon selecting this option, images in your Signature will be referenced as a direct Web URL and it will be downloaded into the message each time it is viewed by the recipient.

<IMG src="">

Pros and Cons

  • Cannot be blocked by antivirus software. This is the great advantage in successful delivery of the email with the linked images
  • It will never increase email size. Hence there is possibility of email getting rejected or blocking by email client due to size limit
  • Upon embedding images in the signature, emails received may contain ATT0000X.txt, ATT0000X.htm, ATT0000X.bin files as attachment from Exchange, Apple Mail, MAC etc. By adding Linked Images to the signature, this may be avoided.
  • Images may not be displayed automatically in some of the email clients (recipient must click a 'download images' button or change settings for specific sender)
  • Recipient has to be online to view the images as images are directly viewed from the linked URL
  • If the linked URL is not accessible or it is deleted / renamed then signature image display may be affected

Adding Embedded Images to Signature

From the Sigsync dashboard click the 'Preferences' tab. Select the option 'Embedded images' as shown below.

Embed Image

Upon selecting this option, images are directly embedded into your Signature and it will be sent as hidden email attachments and referenced in the source of the message using a unique Content ID.

<IMG src="cid:unique content id for the image">

Pros and Cons

  • Images will be displayed automatically when the email is viewed
  • You can view when the email client is offline
  • Some of the email clients may reject and email may be blocked by antivirus software
  • Since you are directly embedding the image into your signature, there will be a direct increase in the size of email. This may cause email getting rejected due to the size limit. By default for safer side Sigsync will not embed the images if the email size increases beyond 19MB
  • Some of the email clients may convert embedded images as attachments. This may distort the signature view

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