THE SPLENDOURES OF BLESSINGS ON PROPHET MUHAMMAD

The sublimity of sending blessings on Muhammad and the sublimity of his rank can be traced in that Allah , Most High , blessed him by Himself , then His angles blessed Muhammad Lastly , human beings and genie blessed him . What a great rank prophet Muhammad has . No other prophets have been granted such magnanimous rank .
  Allah , the Gracious , says (Allah and his angles send blessings on the prophet . O you that believe send your blessings on him and salute him with all respect)1

The order to send blessings on him mentioned in the following prophetic Hadiths :
On the authority of Ibin Ali bin Shueib related to Omar bin Omar who said . I heard Abdullah bin Bishr said the messenger of Allah (may the blessings and peace of Allah be on him) said (all in vocations of Allah are rejected unless they start with praising of Allah , Most High , and blessing on the prophet may the blessings and peace of Allah be on him then the caller with have his need pleased .
On the authority of Imam Ahmed he said that Aba Salman Al-Darani said (He who wants to invoke a need of Allah should commence with blessings on the messenger (may the blessings and peace of Allah be on him) , then name his request . He is to seal his invocation  by sending blessings on the messenger (may the blessings and peace of Allah be on him) because blessing the messenger is accepted . And Allah , Most Gracious , is not to reject what is asked between the blessings .
On the authority of Ibin Haban in his sahil (sound collection) who said the messenger of Allah (may the blessings and peace of Allah be on him) said (those who gathered and dispensed without mentioning Allah or send blessings on the messenger (may the blessings and peace of Allah be on him) will be either punished by Allah or forgiven )
And on the authority of Abu Hurayrah (may Allah be pleased with him ) from the prophet (may the blessings and peace of Allah be on him) who said (He will be a looser who heard my name without sending blessings on me).
On the authority of Ibin Habban in his sahih (sound collection) who said that Unis Ibin Malik said that the messenger of Allah (may the blessings and peace of Allah be on him) said : the miser is the one who declined to send blessings on me when Ive been mentioned in his presence . He who recites the blessings on me once will be blessed by Allah ten transparent .
On the authority of Al-Buheiqi in his Sunan (collections) and Al-Tabarani in his grand  dictionary who said Abu Umamal said the messenger of Allah (may the blessings and peace of Allah be on him) said (Increase your blessings on me Fridays because the blessings of my (brotherhood) Ummati will be presented in front of me . Those who send more blessings on me will be the nearest to me).
On the authority of Abu Hurayrah (may Allah be pleased with him) said the messenger of Allah the authority of Abu Hurayrah (may Allah be pleased with him) said (the angles will continuously ask for forgiveness for the person who blessed  me in a book for as this book preserves my name ).
On the authority of Al-Tabarani who said Hafas Ibin Omar said by Abi Al-Darda (may Allah be pleased with him) who said the m0essenger of Allah (may the blessings and peace of Allah be on him) said He who send ten blessings on me in the morning and ten in the evening will be interceded in the Day of Resurrection .
  Abu Mosa Al-Madani on his authority (sanad) said Abu Hurayrah (may Allah be pleased with him) said the Messenger of Allah said (Any speech which is not preceded by mentioning Allahs name , Most High , and by spending blessings on me will be refuted and stripped of all graces).
Ibin Khuzamat on his authority (sanad) said Ubu Hurayrah (may Allah be pleased with him) said the messenger of Allah (may the blessings and peace of Allah be on him) said (He who enters a mosque should salute the prophet (may the blessings and peace of Allah be on him) and say (O you Allah open your doors of mercy) . And he says on leaving after blessing the prophet (O you Allah I seek refuge in You from the Satan) .
On the authority of Al-Thawari who said Jabir bin Abdullah (may Allah be pleased with him) said the messenger of Allah (may the blessings and peace of Allah be on him) said (mention me in the middle of your invocation and at thr beginning and at the end).
  Muhammad bin Ali bin Al-Hussein said the messenger of Allah (may the blessings and peace of Allah be on him) said ( He who forgets the blessings on me will miss the path to the paradise) .
Said bin Al-Masib said all invocation of Allah will be suspended amidst Heaven and earth being not preceded by blessings on the prophet (may the blessings and peace of Allah be on him).
Ibin Abi Sheba , on his authority , said related to Ibin Fadhil and Leith and Kaab said Abu Hurayrah said the messenger of Allah (may the blessins and peace of Allah be on him) said (send your blessing on me because such blessings are Zakat levied for you (tax) .
Al-Amash on his authority said Ibin Wail said Abdullah bin Omar said the messenger of Allah (may the blessings and peace of Allah be on him) said (Having finished virtual ablution you should say (I affirm hereby that there is no God but Allah and I confirm that Muhammad is His servant and messenger . Then you should send your blessings on me . To do so will cause the opening of all gates of mercy .
Unis bin Malik (may he be pleased) on his authority said the messenger of Allah (may the blessins and peace of Allah be on him)  said (If you forget just send your blessings on me and youll recall your need by Allah Will) .
Ibin Sahil bin Malik on his authority said Jabir bin Abid Allah said the messenger of Allah (may the blessins and peace of Allah be on him)  said ( He who sends one hundred blessings on me while praying in the morning and before addressing anybody , Allah will fulfill one hundred needs , thirty of which spontaneously . The same will happen in the sunset prayer .          
 
 1-Al-Ahzab , Ayat 56.