how your send scanned pages just reply to that email? And you combine all passport pages in 1 file or you make separate files for passports and then make combine that files?
I sent them 3 attachments in a single response (by replying to the email I received).
1. All pages of my passport in one PDF => Attachment 1
2. Certified translation of 2 stamps on my passport in one PDF (I had the certified translation done before in anticipation of this email) => Attachment 2
3. A custom document I prepared that makes the life of the officer easier by pointing out where the stamp is for each trip abroad is located on the passport. => Attachment 3
Remember, the attachments must be less than 5 MB in total. So, you'll have to compress PDF documents that are very large. Read the PDF document they've attached to the email, that contains all the instructions.