Email List Syntax Checker
Batch check commonly used mailbox formats, locate duplicates, and export a list of valid formats.
Email List Syntax Checker User manual
- Fill in the parameters or select the file according to the form, and check the unit and format first.
- Check the communication list of one mailbox per line.
- Click the processing button to view the results, you can copy or download and save.
Calculation method and processing rules
Check the ASCII point by local name, domain name label length and point hierarchy, and do not connect to the mail server.
scope of use
Only commonly used quotation-free mailbox formats are supported; through the mailbox that does not mean that the mailbox exists or can be received.
Will the input content be saved on the server?
This tool handles input in the browser, and does not upload files or form content. Typing practice scores are only saved in the native browser.
Why may the result be different from other tools?
Only commonly used quotation-free mailbox formats are supported; through the mailbox that does not mean that the mailbox exists or can be received. Please compare the input unit, rounding method, applicable rules and data version first.



