![hsyco-header-logo-white-home[1]](https://www.hsyco.com/wp-content/uploads/elementor/thumbs/hsyco-header-logo-white-home1-pywijxnv2njq2v0fyqy72c7udexzrkpdemd4es1e2s.png "hsyco-header-logo-white-home[1]"){kind=logo}
Menu
The SMTPSERVER I/O Server implements a very basic Simple Mail Transfer Protocol (SMTP) server based on a subset of the RFC 821 standard.
© 2023 HSYCO | All rights reserved
Privacy Policy | Cookie Policy | Terms & Conditions
Be the first to know about the latest news and announcements from HSYCO
![hsyco-header-logo-white-home[1]](https://www.hsyco.com/wp-content/uploads/elementor/thumbs/hsyco-header-logo-white-home1-pywijxnvft6hfa99zllt514ckgo7zc2qe43bnb82jk.png "hsyco-header-logo-white-home[1]"){kind=logo}