Not able to send email using code

One of the developers in my office came to me and said that he is not able send the mails from his code but at same time someone else with same code is able to send the same mail. I did a cross check and found that there was no issue in firewall permission.

I did Google search for this and it said the same thing that check for your firewall setting and check if that port is blocked but after all the testing I found culprit was Antivirus. So if you get this problem do check following things

1) First thing that you should check is turn of your antivirus for a short duration and check if it’s working fine. If it works fine after turning off the antivirus add the IP and port in trusted zone of antivirus.
2) If it does not work after this also you should disable your firewall with antivirus and check it. If it’s working add the IP/port in trusted zone of firewall.
3) If still you are getting problem please talk to your network admin make sure that required IP and required port is accessible from your computer.

You can comment here with your email id if you find any problem I will come back to you in short time

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The file is too too large for the destination file system

Big files can not copy on USB drive

Some time people call me or mail me and ask me that they are not able to copy a bigger file from their computer to their USB hard drive and I do have a two simplest solution for them either you are not logged in as administrator user or your USB drive is formatted as FAT 32 and in most of the cases both the thing they find correct.

First thing you should check whether your USB hard drives partition is NTFS or FAT32. If its partitioned as FAT32 then you can convert the FAT partition in NTFS without any problem using a simple command as bellow.

convert drivename: /fs:ntfs

If this command doesn’t work for you then I would recommend you to contact your USB drive support centre so they can assist you for this. The other way to get the partition is that you format the drive as NTFS but that could make a loss of one click backup and other functionality of your USB Hard drive

If this is not the case then there is second thing that’s stopping you to copy that bigger file in your USB drive that you are not logged in as administrator user. If you are not logged in as administrator user then it would not allow you to copy a bigger file so first enable administrator user and then copy the data using that administrator account.

By Default in Vista and Windows XP administrator account remain disable you need to enable them before logging in. Here is process for enabling administrator user in xp and vista.

1) Write click on my computer and click on manage.
2) Find local users and group->users and then find the administrator user.
3) right click on user go to it properties and deselect Account it disabled checkbox.
4) Now set the password of administrator user and now you are ready to login as administrator user.
Enable administrator user in windows XP and Vista
For login press ctrl+alt+del it will give you classic login screen give user name as administrator and password and login.

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Scan File with more than 36 antivirus at same time

Scan your file with 36 Antivirus without installing them


Last Saturday I was chatting with one of my friend and saw that he was playing some song that was downloaded from a domain that is infamous for spreading virus with their mp3 songs. I said him that you should not use these kinds of files that are downloaded from infamous location for viruses.
He said yes he knows about it but he was not able to find those songs anywhere else and he was dying to hear those songs. He asked some suggestion for me and I had the best solution for him as this is a site that scan your file with multiple antivirus and it gives you a complete satisfaction that your downloaded file is not infected with virus or it is infected with virus.
For testing some particular file you just need to upload the file and it will give you scanned result in a short time.
After his question I thought I should write about VirusTotal on my blog but I had few question in my mind and I did not want to write about on my blog so I sent a mail to and I they gave me answer of all of my question in just couple of hours in a trail of 4 mails so I can assure my blogs reader that its very reliable also
I had following question for them and answers are there ..

Question: At present you give scan with how many antivirus?
Answer: 39. There are also some internal betas from several AV vendors, but that
Results are not shown in the reports.
Question: If it’s a 5 MB file how much time it will take to scan that file completely?
Answer: There's no any specific answer to that question. Scanning time doesn't depend only on the size of the file, but on its nature, and how it behaves with each scanner heuristic features. That way, a given 50K file can take far longer to scan than a 5MB file
Question: Do you support other compressed file other than zip, If yes how many?
Answer: Files are scanned in the same format they're sent, so compression support depends on each scanner. Some support more formats than others
Question: what is the maximum size of file can be scanned from your server?
Answer : The size limit at this moment is 20MB
Question : you scan these file on your own server or you scan them using online virus scanner engine of different antivirus online scanner?
Answer : Samples are scanned in our own servers, although some scanners use 'in the cloud' technology that somehow would get into an hybrid approach so to say.
If you want to talk about please do talk here in my forum
Please visit here for more specification
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