To create an account verification letter in English without any political, pornographic, gambling, or violent content, follow these steps:

1. Begin with a formal salutation, such as \"Dear [Recipient\'s Name],\"

2. Introduce yourself or your organization and state the purpose of the letter. For example, \"I am writing on behalf of [Your Company/Organization] to provide an account verification letter for [Recipient\'s Name].\"

3. Clearly state that the letter is solely intended for the purpose of account verification and should not be used for any other purposes.

4. Include the necessary information to verify the account, such as the account holder\'s full name, account number, and any other relevant details requested by the recipient.

5. Provide a brief description of the account\'s purpose, if applicable, such as \"This account was opened to facilitate financial transactions for [Business/Organization/Individual].\"

6. Mention the length of time the account has been active, if relevant, to establish credibility.

7. Include any additional information requested by the recipient for the account verification process, such as identification documents or contact details.

8. Assure the recipient that the account does not involve any illegal activities, such as political involvement, pornography, gambling, or violence.

9. Conclude the letter with a closing remark, such as \"Thank you for considering this account verification letter. Should you have any further questions or require additional information, please do not hesitate to contact me.\"

10. End the letter with a formal closing, such as \"Sincerely,\" followed by your name and designation.

11. Optionally, you can attach any supporting documents required for the account verification process.

12. Proofread the letter for any grammatical or spelling errors before sending it.

Remember, the content should strictly adhere to the guidelines mentioned, focusing solely on the account verification process and avoiding any prohibited content.