Is being listed on SpamStopHere harmful to senders' reputation?

Email marketer from Webmaster World shares that any blocking can potentially harm your IP's sender reputation over time, even if the filter is isolated, as consistent blocks indicate deliverability issues to mailbox providers.

Email marketer from EmailDeliverability.com notes that while not all blacklists are created equal, any listing can act as a signal to ISPs and other filters, potentially leading to deliverability problems even if the specific blacklist isn't a major one.

Email marketer from Email Marketing Forum user ListCleaner recommends actively monitoring blacklists, even smaller ones, to identify potential deliverability issues and proactively address them before they escalate.

Email marketer from StackExchange user EmailGuru states that while the immediate impact of a small blacklist may be limited, persistent listings can erode trust with ISPs and negatively affect overall deliverability over time.

Email marketer from MailerMailer Blog explains that being on blacklists, including smaller or specialized ones, can negatively impact your sender reputation by leading to lower deliverability rates and potentially damaging your overall sending score.

Email marketer from Reddit user rEmailExpert shares that even smaller blacklists can act as a 'canary in the coal mine,' signaling potential reputation issues and prompting further investigation into sending practices.

Email marketer from GMass explains that any listing on a blacklist can lead to your emails landing in the spam folder or being blocked entirely, regardless of the size of the blacklist.

Email marketer from Quora user DeliverabilityPro emphasizes that being proactive in identifying and addressing blacklist listings, even on smaller lists, demonstrates a commitment to maintaining good sending practices and can improve long-term deliverability.

Email marketer from Email Geeks doubts that SpamStopHere has feedback loops with block-list providers, suggesting they are an isolated filter provider and won't share their proprietary data with competitors.

Expert from SpamResource explains that even if SpamStopHere isn't a major blacklist, any listing can contribute to a negative sender reputation, as mailbox providers often aggregate data from various sources to assess sender quality. It can impact deliverability, especially if SpamStopHere's filters align with the preferences of some mailbox providers or users.

Expert from Word to the Wise explains that monitoring all blocklists, including less prominent ones, can provide early warnings of potential reputation problems. They advise that proactive monitoring and removal requests can mitigate potential harm to sender reputation and improve deliverability. Smaller lists may reflect more targeted filtering that is important to a specific audience.

Expert from Email Geeks explains that if your customers are getting blocked by SpamStopHere, then it’s harmful to them and that what they’re seeing and blocking may be something other filter providers will pick up and block as well. It also indicates that some recipients don’t want the mail enough to alert their filtering provider, or someone at the provider received the message without opting in and decided it could be blocked.

Documentation from Google Postmaster Tools explains that complying with email sender guidelines and maintaining a positive reputation is essential for deliverability, and blacklist listings can negatively impact your sender reputation.

Documentation from Spamhaus explains that a poor IP reputation can lead to emails being blocked or sent to the spam folder, impacting deliverability even if the blocklist is not widely used, as mailbox providers often consider multiple factors.

Documentation from Microsoft Support emphasizes that maintaining a clean sending reputation is crucial for avoiding spam filters, and being listed on any blocklist, regardless of size, can negatively impact your ability to reach inboxes.