| Long: mail-rcpt | 
 | Arg: <address> | 
 | Help: Mail from this address | 
 | Protocols: SMTP | 
 | Added: 7.20.0 | 
 | --- | 
 | Specify a single address, user name or mailing list name. Repeat this | 
 | option several times to send to multiple recipients. | 
 |  | 
 | When performing a mail transfer, the recipient should specify a valid email | 
 | address to send the mail to. | 
 |  | 
 | When performing an address verification (VRFY command), the recipient should be | 
 | specified as the user name or user name and domain (as per Section 3.5 of | 
 | RFC5321). (Added in 7.34.0) | 
 |  | 
 | When performing a mailing list expand (EXPN command), the recipient should be | 
 | specified using the mailing list name, such as "Friends" or "London-Office". | 
 | (Added in 7.34.0) |