One such e-mail has been found in Fahim Ansari's inbox.

Ansari, who was brought to Mumbai from Uttar Pradesh [Images] for his role in the attacks, has confessed to conducting a survey of likely targets in the city and providing information to the Lashkar terrorists in Pakistan.

An investigating officer told rediff.com that Ansari used e-mail to communicate with his Lashkar minders. While checking his e-mail account, the police discovered an e-mail with details of the Mumbai attacks.

Ansari did not get a chance to read the e-mail as he was already in police custody for his involvement in the attack on the Central Police Reserve Police camp in Rampur, Uttar Pradesh.

Sources reveal that the e-mail arrived in Ansari's inbox on December 3, 2008; apart from details of the attacks, it also provided information on the Pakistan government's reaction to 26/11.

Ansari also received e-mails on November 29 relating to the transfer of funds and other banking details.

There were several e-mails informing him about the ongoing Israel-Hamas face-off, an investigating officer said.

In the Lashkar e-mail Ansari was given a minute to minute account of the Mumbai attacks; the operations at the Taj Mahal hotel [Images] were meticulously explained.

The Mumbai police is trying to identify the sender, who goes under the name 'Sonia'.

They are sure though that this e-mail was sent out by the Lashkar.

Ansari also confessed to the Mumbai police that he used a Pakistani passport. He has confirmed Sabahuddin's statement that the Rampur attack was a dry run for the Mumbai attacks.