▁mail ▁services ▁for ▁virtual ▁mail ▁accounts , ▁managed ▁by ▁any ▁of ▁L D AP ▁directory ▁service , ▁Ber keley ▁DB , ▁MySQL ▁or ▁Post gre SQL ▁authentication ▁database . ▁ ▁Part s ▁of ▁Cou rier , ▁such ▁as ▁the ▁ma ild rop ▁filtering ▁system , ▁the ▁web mail ▁and ▁I MAP ▁server , ▁can ▁also ▁be ▁installed ▁as ▁independent ▁packages ▁which ▁can ▁be ▁used ▁with ▁other ▁mail ▁servers . ▁Cou rier - IMA P ▁is ▁a ▁particularly ▁popular ▁combination ▁with ▁Q mail , ▁Ex im , ▁and ▁Post fix ▁servers ▁that ▁are ▁configured ▁to ▁use ▁ma ild irs . ▁ ▁Cou rier ' s ▁source ▁comp iles ▁on ▁most ▁P OS IX - based ▁operating ▁systems ▁based ▁on ▁Linux ▁and ▁B SD - der ived ▁k ern els . ▁It ▁uses ▁SM TP ▁extensions ▁for ▁list ▁management ▁and ▁sp am ▁filtering . ▁ ▁See ▁also ▁▁▁ ▁Com parison ▁of ▁mail ▁servers ▁ ▁References ▁ ▁External ▁links ▁Cou rier - M TA ▁website ▁Install ing ▁and ▁config uring ▁Cou rier - IMA P ▁Setting ▁up ▁a ▁mail ▁server ▁- ▁includes ▁Cou rier ▁as ▁the ▁I MAP ▁component ▁ ▁Category : Message ▁transfer ▁agents ▁Category : Free ▁email ▁server ▁software ▁Category : Email ▁server ▁software ▁for ▁Linux <0x0A> </s> ▁Arm ada ▁mar it ima ▁is ▁a ▁moth ▁of ▁the ▁family ▁No ctu idae ▁first ▁described ▁by ▁Brand t ▁in ▁ 1 9 3 9 . ▁It ▁is ▁found ▁in ▁Sa udi ▁Arab ia , ▁O man , ▁the ▁United ▁Arab ▁Em ir ates ▁and ▁Israel