When switching to a new subdomain for email, what warm-up process is required?

Email marketer from Woodpecker shares that the goal is to gradually build a positive sending reputation and domain authority.

Email marketer from Email on Acid recommends proper email authentication (SPF, DKIM, DMARC) for your new subdomain as a vital part of the warmup process, ensuring your emails are trusted by ISPs.

Email marketer from Email Geeks shares that in most cases, domain warmup is much shorter than IP warmup and may take a few days, while IP warmups are more likely to take weeks. Each situation is different.

Email marketer from Mailjet shares that a subdomain warmup strategy includes sending to your most engaged subscribers first, gradually increasing volume, and monitoring key metrics like open rates and bounce rates. Segment your lists and tailor content to ensure high engagement during the warmup period.

Email marketer from Litmus shares that content relevancy is essential during subdomain warmup. Send highly engaging, personalized content to encourage opens and clicks, signaling to ISPs that your emails are valuable.

Email marketer from Reddit explains that warming up a subdomain is similar to warming up an IP, but typically faster because you're leveraging the reputation of the main domain. Still, you need to gradually increase volume and monitor deliverability.

Email marketer from StackOverflow explains that during subdomain warmup, it's crucial to avoid spam traps by ensuring your email lists are clean, permission-based, and regularly maintained. Sending to spam traps will damage your reputation.

Email marketer from SuperOffice shares that high engagement indicates the content is valuable to your customers. Focus on content relevancy and timing to increase engagement.

Email marketer from Email Geeks shares that if the IPs are the same, the warm-up period will likely be shorter, but you still have to warm up the new subdomain.

Email marketer from SendGrid shares that domain warmup typically involves several phases, starting with low sending volumes to highly engaged users, gradually increasing volume and broadening the recipient base. Monitor engagement metrics at each phase and adjust your strategy as needed.

Email marketer from GMass shares that monitoring key metrics like open rates, click-through rates, bounce rates, and spam complaints is essential during subdomain warmup. Use this data to adjust your sending strategy and ensure positive engagement.

Email marketer from Email Geeks shares that you could be more aggressive with the warm-up speed, but you should use a monitoring tool like Return Path or 250ok to make sure the warm-up is going well and help you make decisions like whether or not you want to speed up or slow down.

Expert from Email Geeks explains that subdomains have different reputations from each other.

Expert from Spam Resource explains that understanding how sender reputation works and how it impacts your deliverability is important. They also suggest using tools to look at your sender reputation.

Expert from Word to the Wise explains that warming a subdomain is similar to IP warming but that the overall organization still has a reputation, so you're starting from a slightly different baseline. Also, that one needs to monitor sending reputation.

Documentation from Google explains that domain reputation is a key factor in deliverability. Monitor your domain's reputation in Postmaster Tools and ensure you're following best practices for email authentication and list hygiene during the warmup process.

Documentation from RFC explains that a correct SPF record is essential during a domain/subdomain warmup, explicitly specifying which mail servers are authorized to send emails on behalf of your domain.

Documentation from Microsoft explains that sender reputation is crucial for deliverability to Outlook and Hotmail users. Maintain a good sender reputation by authenticating your email, avoiding spam complaints, and following Microsoft's sending guidelines during the subdomain warmup.

Documentation from SparkPost explains that warming up a subdomain involves gradually increasing sending volume over time to establish a positive reputation with ISPs. Start with small volumes and monitor deliverability metrics.

Documentation from DMARC.org explains that using a DMARC policy of 'p=none' allows you to collect data to help improve results. Then set DMARC to quarantine or reject to protect you from phishing.