Will changing subdomain IP to main domain IP affect email deliverability?

Email marketer from SendGrid shares that IP reputation is crucial for email deliverability. They advise warming up new IPs gradually and monitoring sender scores to maintain a positive reputation, which can be affected by shared IP usage.

Email marketer from Reddit explains that failing to warm up your IP properly could make your emails get sent to the spam folder because major mailbox providers will think you're a spammer.

Email marketer from Mailjet explains that using shared IPs can impact deliverability if other users on the same IP have poor sending practices. They recommend monitoring IP reputation and considering dedicated IPs for better control.

Email marketer from ActiveCampaign responds that using a dedicated IP can improve deliverability by giving you full control over your sender reputation. They suggest this is beneficial for senders with large volumes.

Email marketer from Talos Intelligence shares that sender reputation is a critical factor in email deliverability, and changing your IP address could trigger deliverability issues if not handled correctly. They recommend carefully monitoring your sender reputation to ensure successful email delivery.

Email marketer from StackOverflow explains that email authentication is crucial to deliverability. If mail providers can't verify you are who you say you are, then your emails are likely to land in the junk folder.

Expert from Word to the Wise shares that new IP addresses require warming before sending any marketing campaigns. Warming consists of slowly sending more emails and requires a high amount of user engagement.

Expert from Email Geeks responds that there is a digital fingerprint/score that anti-spam services use, which is more complex than just content and sending IP.

Expert from Email Geeks shares that changing DNS doesn't change the sending IP, meaning that changing a subdomain IP address to the main domain IP address shouldn't impact deliverability, unless the new IP address is on a blocklist.

Expert from Spam Resource explains that if the main domain's IP is already sending email, and the subdomain IP is changed to match, it is less likely to cause deliverability problems. However, he states that starting a new IP address is generally bad from a deliverability perspective.

Documentation from RFC Editor explains that SPF records are essential for authenticating sending servers and preventing spoofing. Proper SPF configuration is crucial for maintaining email deliverability when changing IPs or subdomains.

Documentation from Google Postmaster Tools shares that Google uses IP reputation as a key factor in determining email deliverability. Monitoring your IP reputation through their tools is recommended to identify and resolve any issues affecting deliverability.

Documentation from Microsoft responds that sender reputation, including IP reputation, is a critical factor in determining whether emails are delivered to the inbox or spam folder. Maintaining a good sender reputation is essential for ensuring reliable deliverability.