Please don't take mail private. I tend to not reply at all in that case. Can you try this patch? johannes diff --git a/mailtrain.c b/mailtrain.c index dbe770c..75c0fc8 100644 --- a/mailtrain.c +++ b/mailtrain.c @@ -213,7 +213,9 @@ int backend_handle_mail(struct mailbox_transaction_context *t, struct istream *mailstream; struct ostream *outstream; int ret; - char *buf, *firstline; + char *buf; + const unsigned char *beginning; + size_t size; int fd; if (!ast->tmpdir) { @@ -266,15 +268,25 @@ int backend_handle_mail(struct mailbox_transaction_context *t, goto failed_to_copy; } - firstline = i_stream_read_next_line(mailstream); + if (i_stream_read_data(mailstream, &beginning, &size, 5) < 0 || + size < 5) { + ret = -1; + mail_storage_set_error(t->box->storage, + "Failed to read mail beginning"); + goto failed_to_copy; + } - if (strncmp(firstline, "From ", 5) != 0) - if (o_stream_send_str(outstream, firstline) < 0) { + /* "From "? skip line */ + if (memcmp("From ", beginning, 5) == 0) { + i_stream_read_next_line(mailstream); + } else { + if (o_stream_send_str(outstream, "From ") < 0) { ret = -1; mail_storage_set_error(t->box->storage, "Failed to write line to temp"); goto failed_to_copy; } + } if (o_stream_send_istream(outstream, mailstream) < 0) { ret = -1;