length of subject

[Tamás Csepcsényi]

What is the limit of subject's length?
Runs 42 return value, but the email did not go away. Why is that?


int res = ShellExecuteA(NULL, "open", "mailsend1.17b14.exe", MailSendString,"",SW_HIDE);
What is the limit of MailSendString's length?

I use it in mql4.

Can somebody help me?

[Muhammad Muquit]

mailsend itself does not enforce any limit on length of subject. It is platform dependent. I do not know what kind of limit windows enforces for length of each argument of a command line. you have to run it in verbose mode to see what's going on.

[Tamás Csepcsényi]

Thx.
The length of command line not too length/<2048/, how to switch verbose mode in ShellExecute?

[Muhammad Muquit]

in your MailSendString, add:  -v -log \"path\\of\\log.txt\"

Then look at the log file to see if there are any errors.

Thanks.

[Tamás Csepcsényi]

Thanks, the "-v" is

necessary? The log file made
without "-v"

[Muhammad Muquit]

without -v, you probably will not see anything useful. That code needs some cleanup.

[Tamás Csepcsényi]

thx, it is great code!