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commit 927aaeadcff6a55416e1ef29faa7bbe90d63daea
Author: Hivert Quentin <quentin.hivert.fr@gmail.com>
Date: Tue Jun 17 15:28:53 2025 +0200
fix(smtp): allow smtp replies with only 3 chars (being the number code) instead of 4 (code + space)
diff --git a/sope-mime/NGMail/NGSmtpClient.m b/sope-mime/NGMail/NGSmtpClient.m
index fa0cfb3..c6ec39f 100644
--- a/sope-mime/NGMail/NGSmtpClient.m
+++ b/sope-mime/NGMail/NGSmtpClient.m
@@ -478,6 +478,19 @@
NGSmtpReplyCode code = -1;
line = [self->text readLineAsString];
+ if([line length] == 3) {
+ //Invalid but can happen with some smtp server that does not follow correctly the smtp specs
+ //and only send the code number instead of the code + a space.
+ code = [[line substringToIndex:3] intValue];
+ if(code == 0)
+ {
+ NSLog(@"SMTP: reply has invalid format and is not a code of 3 chars (%@)", line);
+ return nil;
+ }
+ desc = [NSMutableString stringWithCapacity:[line length]];
+ return [NGSmtpResponse responseWithCode:code text:desc];
+ }
+
if ([line length] < 4) {
NSLog(@"SMTP: reply has invalid format (%@)", line);
return nil;
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