Magento – Get Store Email Addresses

General Contact

/* Sender Name */
Mage::getStoreConfig('trans_email/ident_general/name'); 

/* Sender Email */
Mage::getStoreConfig('trans_email/ident_general/email');
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Sales Representative

/* Sender Name */
Mage::getStoreConfig('trans_email/ident_sales/name'); 

/* Sender Email */
Mage::getStoreConfig('trans_email/ident_sales/email');
------------------------------------------------------------

Customer Support

/* Sender Name */
Mage::getStoreConfig('trans_email/ident_support/name'); 

/* Sender Email */
Mage::getStoreConfig('trans_email/ident_support/email');
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Custom Email 1

/* Sender Name */
Mage::getStoreConfig('trans_email/ident_custom1/name'); 

/* Sender Email */
Mage::getStoreConfig('trans_email/ident_custom1/email');
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Custom Email 2

/* Sender Name */
Mage::getStoreConfig('trans_email/ident_custom2/name'); 

/* Sender Email */
Mage::getStoreConfig('trans_email/ident_custom2/email');