Jump to: navigation, search ... A peptide bond is a chemical bond formed between two molecule s when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). This is a dehydration synthesis re action, and usually occurs between amino acids. Peptide bond.
Recipients notify you that the e-mail message you sent appears to them as a message with an attachment called winmail.dat. You are using the Rich Text message format, which the recipient's e-mail program cannot interpret correctly.
What is POP3 and which are the default POP3 ports. Post Office Protocol version 3 (POP3) is a standard mail protocol used to receive emails from a remote server to a local email client. POP3 allows you to download email messages on your local computer and read them even when you are offline.