15 Common Email Signature Mistakes You Might Be Making Dec 23, 2015 10:04:16 GMT Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Marketing Matters on Dec 23, 2015 10:04:16 GMT 1. Including your email address2. Including a fax number3. Leaving "Sent from my iPhone" as the default signature 4. Not promoting your website in a unique way5. Listing every social media profile6. Using a large image that takes forever to load7. Copying and pasting an image into your signature 8. Not including your phone number9. Forgetting an international prefix if you have international clients10. Using a corny quote11. Colored, large, or weird fonts12. Sloppily inserting the full hyperlink into your website or social media accounts13. Including every service you provide14. Using an entire image as your signature 15. Not testing your signature in multiple email clients15 Careless Email Signature Mistakes That We're All Guilty Of:Scott Tousley/HubSpotDon't forget to Follow More From Scott Tousley at TwitterI think number 15 is the most important because it is proof reading your signature before it is sent.