You can add field like Daily and add tag_1, tag_2 in your CSV sheet and assign 100 subscribers to that Tag.
Then upload that list.
Create a segment tag_1, tag_2.
Then when you create a campaign you can select that segment so it send to those subscribers only.
You can simply set...
Try to send email on mail tester and see what it says.
If mxtoolbox saying error is DNS related issue but as you said Postal validate all records means dns working.
I dont use virtualmin as it looks much complex to me.
A. Delivery server is which you can use for configure aws ses. you can make 1 aws ses account as 1 delivery server.
And 1 aws ses account can create many delivery server as you need - like each delivery server for each brand.
B. If your bounce/complain rate is high, then aws...
Each Email address you need to verify in your SES Zone - Email id list.
1 IAM will work for Mailwizz.
If you want to create delivery server for each brand, you can create it and assign that Delivery server to Customer.
Or you can Create one Delivery server for all and set...
Sometimes it happen mobile network is continuously changing their dynamic IP and reset Internet connection in background. So may be due to that your Mailwizz session may end.
Can you check that you face issue this only in Mailwizz or any other websites same issue ?