Iran's police chief has warned opposition supporters against using SMS text messages and e-mails to organize antigovernment rallies.
Ismail Ahmadi Moghaddam said spreading word of such demonstrations was a crime that carried a "heavy penalty."
Cell-phone and e-mail messages emerged as a key form of communication for Iran's opposition in the unrest that erupted in Iran after June's disputed presidential election -- including to organize demonstrations and disseminate news and images.
The messages have also become an important source of information for foreign media who are banned from directly covering the protests.
Moghaddam said anyone using SMS or email messages to organize opposition rallies should know their messages were being monitored.
He said it was possible to trace both sender and recipient, and he warned that anonymous proxy servers would not protect user identities.
The warning comes amid a continuing clampdown on media in the wake of the most recent opposition protests in late December, in which at least eight people died in clashes between security forces and demonstrators.
Earlier this week, authorities closed a conservative newspaper, "Hemmat," for "slander and dissemination of lies with the intention of agitating public opinion."
Radio Farda reports that the Culture and Islamic Guidance Ministry has sent warnings to six newspapers including reformist, moderate conservative and economics titles: "Jamh... >>>
|نسرین ستوده: زندانی روز||Dec 04|
|Saeed Malekpour: Prisoner of the day||Lawyer says death sentence suspended||Dec 03|
|Majid Tavakoli: Prisoner of the day||Iterview with mother||Dec 02|
|احسان نراقی: جامعه شناس و نویسنده ۱۳۰۵-۱۳۹۱||Dec 02|
|Nasrin Sotoudeh: Prisoner of the day||46 days on hunger strike||Dec 01|
|Nasrin Sotoudeh: Graffiti||In Barcelona||Nov 30|
|گوهر عشقی: مادر ستار بهشتی||Nov 30|
|Abdollah Momeni: Prisoner of the day||Activist denied leave and family visits for 1.5 years||Nov 30|
|محمد کلالی: یکی از حمله کنندگان به سفارت ایران در برلین||Nov 29|
|Habibollah Golparipour: Prisoner of the day||Kurdish Activist on Death Row||Nov 28|