diff options
| -rw-r--r-- | lib/smtp.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/lib/smtp.c b/lib/smtp.c index f82c8aac2..a5b3bf8c6 100644 --- a/lib/smtp.c +++ b/lib/smtp.c @@ -234,8 +234,11 @@ static bool smtp_endofresp(struct connectdata *conn, char *line, size_t len, if(len < 4 || !ISDIGIT(line[0]) || !ISDIGIT(line[1]) || !ISDIGIT(line[2])) return FALSE; /* Nothing for us */ - /* Do we have a command response? */ - result = (line[3] == ' ') ? TRUE : FALSE; + /* Do we have a command response? This should be the response code followed + by a space and optionally some text as per RFC-5321 and as outlined in + Section 4. Examples of RFC-4954 but some e-mail servers ignore this and + only send the response code instead. */ + result = (line[3] == ' ' || len == 5) ? TRUE : FALSE; if(result) *resp = curlx_sltosi(strtol(line, NULL, 10)); |