admin store email magento general contacts email or Magento: Store Mail Addresses

//General contact
Mage::getStoreConfig('trans_email/ident_gerneral/name');
Mage::getStoreConfig('trans_email/ident_gerneral/email');

//Sales Representative
Mage::getStoreConfig('trans_email/ident_sales/name');
Mage::getStoreConfig('trans_email/ident_sales/email');

//Customer Support
Mage::getStoreConfig('trans_email/ident_support/name');
Mage::getStoreConfig('trans_email/ident_support/email');

//Custom email1
Mage::getStoreConfig('trans_email/ident_custom1/name');
Mage::getStoreConfig('trans_email/ident_custom1/email');

//Custom email2
Mage::getStoreConfig('trans_email/ident_custom2/name');
Mage::getStoreConfig('trans_email/ident_custom2/email');