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Lemlist Deliverability Issues: Seeking Solutions and Insights | Clay

Discuss Anything

Lemlist Deliverability Issues: Seeking Solutions and Insights

·Sep 10, 2025 08:34 PM·

Any Lemlist users having major deliverability issues in the last week? And has anyone uncovered the root cause / fix? (not looking to be pitched on another product)

6 comments

· Sorted by Oldest

Abdul S.
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We’ve noticed some changes affecting deliverability main causes are recent provider filter updates and domain reputation drops. Best fixes so far have been re-warming domains and lowering daily sending limits to rebuild trust.
Leo B.
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I thought it was just me but I don't know why. I had inboxes warmed up and been sending emails and crickets
Kabeer A.
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We’ve been seeing deliverability issues lately, mainly due to tighter filtering by email providers and drops in domain reputation. The most effective fixes so far have been re-warming domains and reducing daily sending limits to gradually rebuild trust and improve inbox placement.
Colin G.
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Wow, good to know!
Colin G.
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Abdul S. when you say “provider filter updates”. What do you mean exactly? What can be done about this?
Abdul S.
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By provider filter updates I mean Gmail/Outlook tightened their spam rules. even small tweaks can drop deliverability if volume, engagement, or bounce rates are off. the fix is usually rewarming domains, lowering daily sends, rotating domains, and keeping lists clean so reputation rebuilds