diff options
Diffstat (limited to 'driver.c')
| -rw-r--r-- | driver.c | 22 |
1 files changed, 20 insertions, 2 deletions
@@ -760,9 +760,27 @@ static int readheaders(int sock, resent_from_offs = (line - msgblk.headers); else if (!strncasecmp("Apparently-From:", line, 16)) app_from_offs = (line - msgblk.headers); - else if (!strncasecmp("Sender:", line, 7)) + /* + * Netscape 4.7 puts "Sender: zap" in mail headers. Perverse... + * + * But a literal reading of RFC822 sec. 4.4.2 supports the idea + * that Sender: *doesn't* have to be a working email address. + * + * The definition of the Sender header in RFC822 says, in + * part, "The Sender mailbox specification includes a word + * sequence which must correspond to a specific agent (i.e., a + * human user or a computer program) rather than a standard + * address." That implies that the contents of the Sender + * field don't need to be a legal email address at all So + * ignore any Sender or Resent-Semnder lines unless they + * contain @. + * + * (RFC2822 says the condents of Sender must be a valid mailbox + * address, which is also what RFC822 4.4.4 implies.) + */ + else if (!strncasecmp("Sender:", line, 7) && strchr(line, '@')) sender_offs = (line - msgblk.headers); - else if (!strncasecmp("Resent-Sender:", line, 14)) + else if (!strncasecmp("Resent-Sender:", line, 14) && strchr(line, '@')) resent_sender_offs = (line - msgblk.headers); #ifdef __UNUSED__ |