What is the best practice for selecting a subdomain for marketing emails and how does it impact deliverability?

Email marketer from Email Geeks shares that it does not directly impact deliverability, but it can impact it in a non-direct manner. You can choose a subdomain that could be part of a branding strategy, which would drive engagement and in return would impact filtering decisions and gives an example of using a fun subdomain for a pet clinic.

Email marketer from Email on Acid states that one key reason for using a subdomain is to keep your main domain's reputation safe. If your marketing emails suffer from deliverability problems (due to spam complaints, for example), it won't directly impact your transactional emails.

Email marketer from Email Geeks shares that you could go minimalist like m.example.com, minimalist+ with something like em.example.com, or sort of a conventional seeming choice like mail.example.com. They also mention the on brand and fun choices and it’s best to choose a diff subdomain for each area of concern (e.g., a different subdomain for transactional and marketing). Finally, make sure DKIM’s signed by the 5322.From regardless of what fun subdomain you choose for the 5321.From.

Email marketer from Email Geeks explains that the subdomain name has no impact on deliverability and what's more important is that your DKIM signing domain matches the 5322.From.

Email marketer from GlockApps recommends consistently monitoring your subdomain's sending reputation through tools like Google Postmaster Tools. This allows you to identify and address any deliverability issues promptly.

Email marketer from Reddit explains that using 'mail' or 'email' as a subdomain is common and easily recognizable for recipients. It also recommends separating your marketing emails from transactional emails by using different subdomains.

Email marketer from Sendinblue explains that using a subdomain lets you protect your main domain's reputation and gives you control over your sending reputation. Sendinblue recommends setting up SPF, DKIM, and DMARC records for the subdomain to authenticate your emails.

Email marketer from ActiveCampaign explains that a key advantage of using a subdomain is the ability to control and monitor your sending reputation independently from your main domain, which helps in maintaining overall brand credibility.

Email marketer from Neil Patel Blog explains that using a dedicated subdomain isolates your marketing email reputation. This means if your marketing emails have deliverability issues, it won't affect your primary domain's reputation for transactional emails.

Email marketer from Litmus shares that a poor sending reputation on your marketing subdomain will not directly impact your transactional emails sent from your primary domain, allowing you to isolate and address deliverability issues more effectively.

Email marketer from SparkPost explains that once you've chosen a subdomain, it's important to gradually increase your sending volume to build a positive sending reputation. This process, known as 'warming up' your subdomain, helps prevent deliverability issues.

Email marketer from Email Geeks shares that the subdomain name really doesn't matter, but to remember that the recipient will be able to see it, so nothing that might be offensive and that email.example.com is pretty common.

Email marketer from Reddit shares that using a branded subdomain (e.g., 'promos.yourbrand.com') can improve brand recognition and build trust with recipients, potentially leading to higher engagement rates.

Email marketer from StackExchange shares that the subdomain can be anything you want, but something like 'email' or 'mkt' is commonly used and easily identifiable. Emphasizes the importance of authentication over specific subdomain names.

Expert from Email Geeks shares that they see a lot of e.* and m.*, too.

Expert from Spam Resource, Laura Atkins, explains that using a separate subdomain for marketing allows you to isolate your sending reputation. If your marketing practices lead to deliverability issues, it won't negatively impact the deliverability of your transactional emails sent from your primary domain.

Expert from Email Geeks shares that e., mail., msg., and marketing. are also common. They also recommend considering using a separate subdomain for other types of messages, such as transactional (info.), password resets (support.), and eReceipts (receipts.).

Expert from Email Geeks shares that the subdomain name shouldn't directly impact deliverability. The impact will come from the overall existing domain reputation and how the new subdomain is used.

Expert from Word to the Wise, Steve Linford, responds that 'mail.yourdomain.com' is a reasonable subdomain and states there's no deliverability harm in using it. In the context of the discussion, it implies that deliverability impact comes more from email practices than the subdomain name itself.

Documentation from DMARC.org details how implementing DMARC on your subdomain provides an extra layer of security and helps protect your brand from email spoofing and phishing attacks, which indirectly improves deliverability.

Documentation from Mailjet emphasizes the importance of authenticating your subdomain with SPF and DKIM records. This confirms to email providers that you're authorized to send emails on behalf of your subdomain, boosting deliverability.

Documentation from Microsoft explains that configuring SPF records for your subdomain is crucial for preventing spammers from forging your 'From' address. This helps improve your sender reputation and email deliverability.

Documentation from RFC 5322 (Internet Message Format) defines the structure of email messages, including the 'From:' field. This is relevant because the domain used in the 'From:' field (which often matches the subdomain) is crucial for authentication and deliverability.

Documentation from Google explains that setting up a subdomain involves creating DNS records, including MX, SPF, and DKIM records, specifically for the subdomain. This allows you to authenticate your marketing emails and improve deliverability.