How do I integrate an external SMTP with Klaviyo?
Summary
What email marketers say10Marketer opinions
Email marketer from Reddit mentions that Klaviyo is a closed system and it’s not possible to use your own SMTP server. They recommend looking into platforms like ActiveCampaign if you need that level of control.
Email Marketer from LitExtension shares that if you're not happy with Klaviyo's native SMTP, your best option is to migrate your email marketing to a platform that allows external SMTP integration. They provide a guide for migrating from Klaviyo.
Email marketer from G2 mentions Klaviyo's lack of SMTP integration as a potential drawback for users needing more control over their sending infrastructure.
Email marketer from TrustRadius highlights the importance of SMTP flexibility when choosing an email marketing platform, suggesting that users evaluate options like Sendinblue if SMTP control is critical.
Email marketer from Email Geeks states that Klaviyo does not offer the ability to hook into your own SMTP.
Email marketer from Email Marketing Forum user discusses the limitations of Klaviyo regarding SMTP control and suggests exploring platforms like Mailjet or Amazon SES for greater flexibility.
Email marketer from Stack Overflow user indicates it is not possible to directly integrate an external SMTP server with Klaviyo for sending emails. They suggest exploring alternative email marketing platforms if this functionality is crucial.
Email marketer from Email Geeks states to not integrate an external SMTP to Klaviyo and to use Mailgun, Sendgrid, or Mandrill instead.
Email marketer from Quora states that Klaviyo does not allow you to bring your own SMTP server. The user suggests considering other platforms with more flexible SMTP options.
Email marketer from Email Geeks states that Klaviyo does not offer the ability to hook into your own SMTP.
What the experts say3Expert opinions
Expert from Email Geeks suggests not integrating an external SMTP to Klaviyo and using Mailgun, Sendgrid, or Mandrill instead.
Expert from Spamresource details about SMTP relay setup, it highlights technical aspects of SMTP servers. Though it doesn't directly address Klaviyo, it provides valuable insight for setting up your own SMTP server if you were to switch away from Klaviyo for this functionality. This is on a page discussing port 25 issues.
Expert from Word to the Wise explains while not directly about Klaviyo, Laura Atkins emphasises the importance of having a properly configured and maintained SMTP server for email deliverability. Since Klaviyo doesn't allow external SMTP, this reinforces the need for a platform that offers such control if deliverability is a concern.
What the documentation says5Technical articles
Documentation from Mailgun details how to set up SMTP relay. Useful for users considering switching from Klaviyo to Mailgun to achieve SMTP integration.
Documentation from ActiveCampaign explains how to integrate external SMTP providers with ActiveCampaign. This provides context on SMTP integrations generally, which can be useful if migrating from Klaviyo.
Documentation from Klaviyo explains that Klaviyo does not support the use of third-party SMTP providers to send email. Klaviyo is designed to work with its own sending infrastructure and does not allow users to connect external SMTP servers.
Documentation from SendGrid explains how to integrate SendGrid with different platforms. Since Klaviyo doesn't support external SMTP, this provides context on how SMTP integrations generally work, which can be useful if migrating from Klaviyo.
Documentation from Amazon SES explains the SMTP settings and configurations for using SES as an SMTP relay. This is useful for understanding SMTP setup in general if switching from Klaviyo.