Nice I will try these warm up together with automation warm up toolsStart sending slowly and increasing gradually.
Avoid sending links from day 1.
Create some social media accounts using your sender emails.
Subscribe to news letters.
A little trick: write to some support services, they usually replies and it helps your sender reputation.
Yes iam currently checking out these but their seem very expensive for a greyhat strategy meaning I will like to warm with 10000 message for every 30 cold message this is taking in consideration that gmail spam rate allowance 0.003 as from feb 2024You can use the exponential warmup feature in Mailwizz.
Alternatively, you may want to check out warmupinbox.