Authentication in messaging platforms for web content

A computer system for authenticating a user in messaging platforms for web content, the method comprising:

• ingesting, by a processor, a plurality of electronic messages from a user account;
• identifying a user-targeted marketing link within the plurality of electronic messages;
• identifying a messaging ID associated with the user account;
• verifying the messaging ID associated the user is correct based on the plurality of electronic messages;
• transmitting a modified electronic message to the electronic mailbox associated with the user that includes a personalized token in a uniform resource locator (URL);
• and
• in response to user interaction with the URL, processing the URL to provide access to promotional content.

A computer program product for authenticating a user in messaging platforms for web content, the method comprising:

• ingesting, by a processor, a plurality of electronic messages from a user account;
• identifying a user-targeted marketing link within the plurality of electronic messages;
• identifying a messaging ID associated with the user account;
• verifying the messaging ID associated the user is correct based on the plurality of electronic messages;
• transmitting a modified electronic message to the electronic mailbox associated with the user that includes a personalized token in a uniform resource locator (URL);
• and
• in response to user interaction with the URL, processing the URL to provide access to promotional content.