| address | Email Address |
| addresses | Add address fields to message |
| append.envelope | Append children to message |
| as.address | Create an address object |
| as.character.envelope | Create formatted message. |
| as.character.header | Create formatted header. |
| as.character.MIME | Convert MIME object to character vector |
| as.character.vctrs_address | Convert address object to character |
| attachment | Add attachments to a message object |
| bcc | Add address fields to message |
| cc | Add address fields to message |
| compare | Compare vectors |
| compliant | Tests whether an email address is syntactically correct |
| display | Extract display name |
| domain | Extract domain of email address |
| envelope | Create a message. |
| format.vctrs_address | Encode email addresses in a common format |
| from | Add address fields to message |
| html | Add an HTML body to a message object. |
| importance | Add fields for message importance and priority |
| local | Extract local part of email address |
| new_address | Helper function for creating address objects |
| parties | Extract sender and recipient(s) |
| precedence | Add fields for message importance and priority |
| print.envelope | Print a message object |
| print.vctrs_address | Print an address object |
| priority | Add fields for message importance and priority |
| qp_decode | Decode a quoted-printable string. |
| qp_encode | Encode a string to quoted-printable. |
| raw | Extract raw email address |
| render | Render Markdown into email |
| reply | Add address fields to message |
| sender | Add address fields to message |
| server | Create a SMTP server object. |
| subject | Add or query subject of message. |
| text | Add a text body to a message. |
| to | Add address fields to message |