I've run into situations where renaming the file with different extension doesn't work -- the mail server identifies the attachment format by looking at the contents rather than using the file extension. On many such occasions, unidentified file formats are also rejected.

>Many email systems block zip files, for "security reasons". I often rename them to .zop, and ask the recipient to rename them back.
>
>
>>Unfortunately it bounced back. Your server do not accept zip files?
>>Added zip here.
>>
>>Check ‘Save’ click code. Currently it doesn’t save anything but shows the collected info ready to be saved. HTH.
>>
>>Saving the ODBC connection string you could do this:
>>
>>

>>Open database myDatabase
>>Delete connection myConnection && probably check for existence
>>Create connection myConnection CONNSTRING m.lcMySavedODBCConString
>>

>>
>>
>>
>>Message from mail server:
>>
>>
>>Your message did not reach some or all of the intended recipients.
>>
>> Subject: Set Data Path for SQL server
>> Sent: 2/25/2019 8:03 PM
>>
>>The following recipient(s) cannot be reached:
>>
>> 'wftdata@optonline.net' on 2/25/2019 8:03 PM
>> 552 5.7.0 message content and attachment content guidelines. j5sm13797900wrw.59 - gsmtp