Take a look at LibEtPan, an open source Mail framework for C: https://github.com/dinhviethoa/libetpan https://github.com/dinhviethoa/libetpan This is by one of

Take a look at LibEtPan, an open source Mail framework for C: https://github.com/dinhviethoa/libetpan https://github.com/dinhviethoa/libetpan This is by one of the guys from Sparrow (RIP) [1] and powered it under the hood. [1] https://en.wikipedia.org/wiki/Sparrow_(email_client) https://en.wikipedia.org/wiki/Sparrow_(email_client)