diff --git a/app/services/imap/base_fetch_email_service.rb b/app/services/imap/base_fetch_email_service.rb
index afdd0ba6b..117b75218 100644
--- a/app/services/imap/base_fetch_email_service.rb
+++ b/app/services/imap/base_fetch_email_service.rb
@@ -77,7 +77,7 @@ class Imap::BaseFetchEmailService
     Rails.logger.info "[IMAP::FETCH_EMAIL_SERVICE] Fetching mails from #{channel.email}, found #{seq_nums.length}."
 
     message_ids_with_seq = []
-    seq_nums.each_slice(10_000).each do |batch|
+    seq_nums.each_slice(2000).each do |batch|
       # Fetch only message-id only without mail body or contents.
       batch_message_ids = imap_client.fetch(batch, 'BODY.PEEK[HEADER]')
       Rails.logger.info "[IMAP::FETCH_EMAIL_SERVICE] Fetching the batch for #{channel.email}. Found #{batch_message_ids&.length} messages."