Your name, title, company, and one or two contact methods. That is it. Skip the quotes, the banner image, the row of social icons, and the legal disclaimer. None of that improves reply rates and all of it adds noise. A prospect who does not know you yet wants to know who you are and how to reach you, not your company's follower count.
Yes. Spam filters read the entire email including the signature. Images, multiple links, and tracking pixels all add weight that filters flag, especially on cold sends to people who have never heard from you. A plain text signature keeps your message light and is one of the easiest deliverability improvements most senders overlook.
One link is fine. Multiple links on a cold email increase spam risk without meaningfully improving results. If you include one, make it your LinkedIn profile or a calendar link. Both give the prospect a clear next step if they are interested.
Yes. Generate your signature, copy it, and paste it into any email client. No account needed.
The signature is one small piece of it. The bigger factors are authentication, domain reputation, and warm-up. Test where your emails actually land with the Inbox Placement Test before running a campaign. Keep your domains warm with Warmforge. And scan your copy for spam triggers with the Email Spam Checker so you are not unknowingly using phrases that hurt placement.