Embedding vCard links in welcome emails can be a strategic move to help recipients easily save your contact information. While direct deliverability impacts are often minimal, best practices focus on user experience and overall sender reputation. The key is to offer value without appearing suspicious or overly aggressive.
Key findings
Linking preferred: Linking to a vCard URL is generally preferable to attaching the file, which can raise spam flags.
Deliverability impact: VCard links themselves typically do not negatively impact email deliverability when implemented correctly, provided the sender maintains a good reputation.
User experience focus: The primary benefit is convenience for the recipient, allowing them to easily add your contact details.
Clear call to action: A clear and concise call to action (CTA) encouraging recipients to save the contact is essential for engagement.
Key considerations
Host vCard securely: Ensure the vCard file is hosted on a secure, reputable server to avoid flagging by email providers.
Test thoroughly: Always test your emails across various clients and devices to ensure the vCard link functions as expected. Our guide on email testing best practices provides more detail.
Sender reputation: Your overall sender reputation is a far greater factor in deliverability than the vCard link itself. Maintaining good sending habits is crucial.
Alternative methods: Consider if integrating contact details directly into the email design, which many clients automatically link (e.g., mailto: for email), might suffice for the average user, as discussed in this Spiceworks community thread.
What email marketers say
Email marketers often debate the effectiveness of vCard links in welcome emails. While some see it as a low-effort way to boost contact saves, others question its actual impact on recipient behavior, given that many users may not actively click to save contacts. The consensus leans towards linking over attaching for better deliverability.
Key opinions
Minimal adverse effects: Many marketers who have used vCard links (especially linked, not attached) report no noticeable negative impact on their email deliverability or spam rates.
User convenience: The primary perceived benefit is providing an easy way for recipients to save contact information, which can aid in future email recognition.
Low engagement rates expected: Some marketers anticipate low conversion rates for vCard clicks, believing most recipients won't actively save contacts this way.
Linking preferred over attaching: There's a strong preference for linking to a vCard URL rather than attaching the file directly due to potential deliverability issues associated with attachments.
Key considerations
Integrate details directly: Consider if basic contact details (email, phone) automatically linked by email clients are sufficient, reducing the need for an explicit vCard link.
A/B testing: To understand real user behavior, A/B test variations of welcome emails with and without vCard links, or with different CTA placements.
Focus on overall welcome strategy: The vCard link is a small part of the overall welcome email effectiveness. Prioritize strong content, clear messaging, and a smooth onboarding experience, as highlighted by Klaviyo's welcome email best practices.
Evaluate user needs: Assess whether recipients truly need to save your contact information this way, or if they prefer other methods of engagement. This aligns with the jobs to be done mentality.
Marketer view
Marketer from Email Geeks indicates that if you mean to attach a vCard file, they have clients who do this and have not observed any negative consequences to deliverability or engagement. This suggests that attaching might be less risky than generally assumed, though linking is still broadly favored.
12 Aug 2021 - Email Geeks
Marketer view
Marketer from Email Geeks advises linking the vCard, but also suggests integrating contact details directly into the email design. They note that many email clients automatically link phone numbers, emails, and addresses, which might be sufficient for most users without needing an explicit vCard.
12 Aug 2021 - Email Geeks
What the experts say
From a deliverability standpoint, email experts generally advise caution with anything that deviates from standard email content, but vCard links are largely considered benign if properly implemented. The focus remains on overall sender health, authentication, and content relevance to avoid being flagged as spam.
Key opinions
Low deliverability risk: Experts agree that a properly formatted and linked vCard generally poses minimal risk to deliverability, assuming other sender best practices are followed.
Attachments are riskier: Attaching vCard files directly is strongly discouraged due to the increased likelihood of triggering spam filters, especially for bulk sending.
Sender reputation paramount: The underlying health of your sending domain and IP, governed by factors like DMARC, SPF, and DKIM, will influence deliverability far more than the presence of a vCard link.
Engagement matters more: Positive recipient engagement (opens, clicks, replies, adding to contacts) is a strong signal to mailbox providers. A vCard link, if used and acted upon, can contribute positively.
Key considerations
Monitor blocklists: While unlikely to be caused by a vCard link itself, regularly monitor your domain and IP on email blocklists to catch any potential deliverability issues early.
URL shorteners: If using a URL shortener for the vCard link, ensure it's a reputable one and ideally a branded vanity URL, as generic shorteners can sometimes be associated with spam. Our article on vanity URLs and deliverability offers more insight.
Content quality: Ensure the overall content of your welcome email is high quality and relevant to the recipient, as this significantly impacts how mailbox providers perceive your messages.
Domain authentication: Strong email authentication (SPF, DKIM, DMARC) is foundational for deliverability, regardless of specific content elements like vCards. Without proper authentication, even benign links can be problematic.
Expert view
Expert from Email Geeks notes that while directly attaching vCard files used to be a significant spam trigger, linking to them is far less problematic. Modern spam filters are more sophisticated and analyze the content of the linked resource and the reputation of the hosting domain, rather than just the file type.
15 Sep 2023 - Email Geeks
Expert view
Expert from SpamResource explains that any link in an email carries some inherent risk if the domain it points to has a poor reputation. Therefore, if you're linking to a vCard, ensure it's hosted on a domain that you control and that has a clean sending history to avoid unintended deliverability issues.
20 Nov 2023 - SpamResource
What the documentation says
Official email and vCard documentation outlines the technical specifications and best practices for creating and using vCards. While these documents don't directly address email deliverability in the context of marketing emails, they provide foundational guidelines for proper formatting and usage that indirectly support a positive sender perception.
Key findings
Standardized format: vCards follow a standardized format (RFC 6350), ensuring interoperability across different contact management systems.
Content properties: A vCard allows for various contact properties like name, address, phone numbers, email, organization, and URLs.
MIME type: The correct MIME type for a vCard file is text/vcard, which helps email clients correctly identify and handle the file.
URI scheme support: vCard files can be accessed via a Uniform Resource Identifier (URI), making them suitable for hyperlinking in emails.
Key considerations
File hosting: The vCard file itself must be hosted on a publicly accessible web server for the link to function correctly.
Security: Ensure the hosting server uses HTTPS to encrypt the connection when the vCard is downloaded, enhancing trust.
Accessibility: Consider how different email clients and operating systems handle vCard downloads and imports to ensure broad compatibility. Some email signature tools, like Xink, provide guidance on this.
Validation: Validate your vCard file against the RFC specification to prevent parsing errors by recipient contact applications, thereby enhancing the user experience and preventing potential issues that could be misconstrued by spam filters. This indirectly contributes to overall email deliverability.
Technical article
Documentation from RFC 6350, the vCard specification, defines the properties that can be included in a vCard, such as N (name), FN (formatted name), ORG (organization), TEL (telephone), EMAIL, and URL. Adhering to these standard properties ensures maximum compatibility across contact management systems.
11 Aug 2011 - RFC 6350
Technical article
Documentation from Mailchimp's merge tag cheat sheet, while not directly about vCard links, demonstrates the platform's ability to include dynamic content. This capability can be leveraged to personalize vCards if merge tags are used to populate contact details, improving the relevance and utility for each recipient.